Home / 684,251.77-944,227.02-378,304.13

Finding the Fourth Proportional to 684,251.77, 944,227.02 and 378,304.13

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Solution

The fourth proportional to 684,251.77, 944,227.02 and 378,304.13 is: 522,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,251.77 : 944,227.02 = 378,304.13 : x
  2. Step 2: Convert to fraction form
    684,251.77/944,227.02 = 378,304.13/x
  3. Step 3: Cross multiply
    684,251.77x = 944,227.02 × 378,304.13
  4. Step 4: Simplify right side
    684,251.77x = 357,204,981,323.59
  5. Step 5: Solve for x
    x = 357,204,981,323.59/684,251.77
  6. Step 6: Final answer
    x = 522,037.35

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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.