Home / 629,055.45-868,132.98-473,728.59

Finding the Fourth Proportional to 629,055.45, 868,132.98 and 473,728.59

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Solution

The fourth proportional to 629,055.45, 868,132.98 and 473,728.59 is: 653,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,055.45 : 868,132.98 = 473,728.59 : x
  2. Step 2: Convert to fraction form
    629,055.45/868,132.98 = 473,728.59/x
  3. Step 3: Cross multiply
    629,055.45x = 868,132.98 × 473,728.59
  4. Step 4: Simplify right side
    629,055.45x = 411,259,412,547.90
  5. Step 5: Solve for x
    x = 411,259,412,547.90/629,055.45
  6. Step 6: Final answer
    x = 653,772.91

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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.