Home / 688,669.61-950,351.06-382,742.33

Finding the Fourth Proportional to 688,669.61, 950,351.06 and 382,742.33

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Solution

The fourth proportional to 688,669.61, 950,351.06 and 382,742.33 is: 528,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,669.61 : 950,351.06 = 382,742.33 : x
  2. Step 2: Convert to fraction form
    688,669.61/950,351.06 = 382,742.33/x
  3. Step 3: Cross multiply
    688,669.61x = 950,351.06 × 382,742.33
  4. Step 4: Simplify right side
    688,669.61x = 363,739,575,227.47
  5. Step 5: Solve for x
    x = 363,739,575,227.47/688,669.61
  6. Step 6: Final answer
    x = 528,177.19

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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.