Home / 637,101.59-955,651.23-436,814.78

Finding the Fourth Proportional to 637,101.59, 955,651.23 and 436,814.78

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Solution

The fourth proportional to 637,101.59, 955,651.23 and 436,814.78 is: 655,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,101.59 : 955,651.23 = 436,814.78 : x
  2. Step 2: Convert to fraction form
    637,101.59/955,651.23 = 436,814.78/x
  3. Step 3: Cross multiply
    637,101.59x = 955,651.23 × 436,814.78
  4. Step 4: Simplify right side
    637,101.59x = 417,442,577,010.92
  5. Step 5: Solve for x
    x = 417,442,577,010.92/637,101.59
  6. Step 6: Final answer
    x = 655,221.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.