Home / 910,451.96-1,256,423.76-502,553.91

Finding the Fourth Proportional to 910,451.96, 1,256,423.76 and 502,553.91

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Solution

The fourth proportional to 910,451.96, 1,256,423.76 and 502,553.91 is: 693,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,451.96 : 1,256,423.76 = 502,553.91 : x
  2. Step 2: Convert to fraction form
    910,451.96/1,256,423.76 = 502,553.91/x
  3. Step 3: Cross multiply
    910,451.96x = 1,256,423.76 × 502,553.91
  4. Step 4: Simplify right side
    910,451.96x = 631,420,673,204.90
  5. Step 5: Solve for x
    x = 631,420,673,204.90/910,451.96
  6. Step 6: Final answer
    x = 693,524.43

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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.