Home / 805,919.52-1,112,206.32-466,321.92

Finding the Fourth Proportional to 805,919.52, 1,112,206.32 and 466,321.92

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Solution

The fourth proportional to 805,919.52, 1,112,206.32 and 466,321.92 is: 643,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,919.52 : 1,112,206.32 = 466,321.92 : x
  2. Step 2: Convert to fraction form
    805,919.52/1,112,206.32 = 466,321.92/x
  3. Step 3: Cross multiply
    805,919.52x = 1,112,206.32 × 466,321.92
  4. Step 4: Simplify right side
    805,919.52x = 518,646,186,578.53
  5. Step 5: Solve for x
    x = 518,646,186,578.53/805,919.52
  6. Step 6: Final answer
    x = 643,545.88

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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.