Home / 783,787.39-1,081,726.65-461,527.47

Finding the Fourth Proportional to 783,787.39, 1,081,726.65 and 461,527.47

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Solution

The fourth proportional to 783,787.39, 1,081,726.65 and 461,527.47 is: 636,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,787.39 : 1,081,726.65 = 461,527.47 : x
  2. Step 2: Convert to fraction form
    783,787.39/1,081,726.65 = 461,527.47/x
  3. Step 3: Cross multiply
    783,787.39x = 1,081,726.65 × 461,527.47
  4. Step 4: Simplify right side
    783,787.39x = 499,246,564,006.08
  5. Step 5: Solve for x
    x = 499,246,564,006.08/783,787.39
  6. Step 6: Final answer
    x = 636,966.83

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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.