Home / 928,449.92-1,281,652.80-627,052.16

Finding the Fourth Proportional to 928,449.92, 1,281,652.80 and 627,052.16

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Solution

The fourth proportional to 928,449.92, 1,281,652.80 and 627,052.16 is: 865,596.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,449.92 : 1,281,652.80 = 627,052.16 : x
  2. Step 2: Convert to fraction form
    928,449.92/1,281,652.80 = 627,052.16/x
  3. Step 3: Cross multiply
    928,449.92x = 1,281,652.80 × 627,052.16
  4. Step 4: Simplify right side
    928,449.92x = 803,663,156,610.05
  5. Step 5: Solve for x
    x = 803,663,156,610.05/928,449.92
  6. Step 6: Final answer
    x = 865,596.67

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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.