Home / 740,693.82-1,022,154.30-414,006.39

Finding the Fourth Proportional to 740,693.82, 1,022,154.30 and 414,006.39

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Solution

The fourth proportional to 740,693.82, 1,022,154.30 and 414,006.39 is: 571,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,693.82 : 1,022,154.30 = 414,006.39 : x
  2. Step 2: Convert to fraction form
    740,693.82/1,022,154.30 = 414,006.39/x
  3. Step 3: Cross multiply
    740,693.82x = 1,022,154.30 × 414,006.39
  4. Step 4: Simplify right side
    740,693.82x = 423,178,411,765.98
  5. Step 5: Solve for x
    x = 423,178,411,765.98/740,693.82
  6. Step 6: Final answer
    x = 571,327.05

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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.