Home / 974,081.32-1,344,115.80-538,439.83

Finding the Fourth Proportional to 974,081.32, 1,344,115.80 and 538,439.83

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Solution

The fourth proportional to 974,081.32, 1,344,115.80 and 538,439.83 is: 742,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,081.32 : 1,344,115.80 = 538,439.83 : x
  2. Step 2: Convert to fraction form
    974,081.32/1,344,115.80 = 538,439.83/x
  3. Step 3: Cross multiply
    974,081.32x = 1,344,115.80 × 538,439.83
  4. Step 4: Simplify right side
    974,081.32x = 723,725,479,492.03
  5. Step 5: Solve for x
    x = 723,725,479,492.03/974,081.32
  6. Step 6: Final answer
    x = 742,982.61

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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.