Home / 817,333.76-1,127,926.20-454,772.90

Finding the Fourth Proportional to 817,333.76, 1,127,926.20 and 454,772.90

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Solution

The fourth proportional to 817,333.76, 1,127,926.20 and 454,772.90 is: 627,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,333.76 : 1,127,926.20 = 454,772.90 : x
  2. Step 2: Convert to fraction form
    817,333.76/1,127,926.20 = 454,772.90/x
  3. Step 3: Cross multiply
    817,333.76x = 1,127,926.20 × 454,772.90
  4. Step 4: Simplify right side
    817,333.76x = 512,950,263,320.35
  5. Step 5: Solve for x
    x = 512,950,263,320.35/817,333.76
  6. Step 6: Final answer
    x = 627,589.72

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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.