Home / 733,057.91-1,011,020.14-515,985.18

Finding the Fourth Proportional to 733,057.91, 1,011,020.14 and 515,985.18

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Solution

The fourth proportional to 733,057.91, 1,011,020.14 and 515,985.18 is: 711,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,057.91 : 1,011,020.14 = 515,985.18 : x
  2. Step 2: Convert to fraction form
    733,057.91/1,011,020.14 = 515,985.18/x
  3. Step 3: Cross multiply
    733,057.91x = 1,011,020.14 × 515,985.18
  4. Step 4: Simplify right side
    733,057.91x = 521,671,408,921.53
  5. Step 5: Solve for x
    x = 521,671,408,921.53/733,057.91
  6. Step 6: Final answer
    x = 711,637.38

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Half scale
Find fourth proportional to 1,466,115.82, 2,022,040.28 and 1,031,970.36
Double scale
Find fourth proportional to 733,058.91, 1,011,021.52 and 515,986.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.