Home / 817,351.76-1,127,934.60-459,655.76

Finding the Fourth Proportional to 817,351.76, 1,127,934.60 and 459,655.76

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Solution

The fourth proportional to 817,351.76, 1,127,934.60 and 459,655.76 is: 634,318.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,351.76 : 1,127,934.60 = 459,655.76 : x
  2. Step 2: Convert to fraction form
    817,351.76/1,127,934.60 = 459,655.76/x
  3. Step 3: Cross multiply
    817,351.76x = 1,127,934.60 × 459,655.76
  4. Step 4: Simplify right side
    817,351.76x = 518,461,635,793.30
  5. Step 5: Solve for x
    x = 518,461,635,793.30/817,351.76
  6. Step 6: Final answer
    x = 634,318.86

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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.