Home / 636,226.04-878,013.30-374,534.11

Finding the Fourth Proportional to 636,226.04, 878,013.30 and 374,534.11

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Solution

The fourth proportional to 636,226.04, 878,013.30 and 374,534.11 is: 516,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,226.04 : 878,013.30 = 374,534.11 : x
  2. Step 2: Convert to fraction form
    636,226.04/878,013.30 = 374,534.11/x
  3. Step 3: Cross multiply
    636,226.04x = 878,013.30 × 374,534.11
  4. Step 4: Simplify right side
    636,226.04x = 328,845,932,385.68
  5. Step 5: Solve for x
    x = 328,845,932,385.68/636,226.04
  6. Step 6: Final answer
    x = 516,869.65

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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.