Home / 641,726.64-885,593.24-351,333.36

Finding the Fourth Proportional to 641,726.64, 885,593.24 and 351,333.36

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Solution

The fourth proportional to 641,726.64, 885,593.24 and 351,333.36 is: 484,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,726.64 : 885,593.24 = 351,333.36 : x
  2. Step 2: Convert to fraction form
    641,726.64/885,593.24 = 351,333.36/x
  3. Step 3: Cross multiply
    641,726.64x = 885,593.24 × 351,333.36
  4. Step 4: Simplify right side
    641,726.64x = 311,138,448,602.49
  5. Step 5: Solve for x
    x = 311,138,448,602.49/641,726.64
  6. Step 6: Final answer
    x = 484,845.77

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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.