Home / 819,733.92-1,131,230.52-457,158.16

Finding the Fourth Proportional to 819,733.92, 1,131,230.52 and 457,158.16

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Solution

The fourth proportional to 819,733.92, 1,131,230.52 and 457,158.16 is: 630,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,733.92 : 1,131,230.52 = 457,158.16 : x
  2. Step 2: Convert to fraction form
    819,733.92/1,131,230.52 = 457,158.16/x
  3. Step 3: Cross multiply
    819,733.92x = 1,131,230.52 × 457,158.16
  4. Step 4: Simplify right side
    819,733.92x = 517,151,263,059.04
  5. Step 5: Solve for x
    x = 517,151,263,059.04/819,733.92
  6. Step 6: Final answer
    x = 630,876.98

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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.