Home / 807,073.92-1,113,718.95-462,891.96

Finding the Fourth Proportional to 807,073.92, 1,113,718.95 and 462,891.96

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Solution

The fourth proportional to 807,073.92, 1,113,718.95 and 462,891.96 is: 638,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,073.92 : 1,113,718.95 = 462,891.96 : x
  2. Step 2: Convert to fraction form
    807,073.92/1,113,718.95 = 462,891.96/x
  3. Step 3: Cross multiply
    807,073.92x = 1,113,718.95 × 462,891.96
  4. Step 4: Simplify right side
    807,073.92x = 515,531,547,654.64
  5. Step 5: Solve for x
    x = 515,531,547,654.64/807,073.92
  6. Step 6: Final answer
    x = 638,766.21

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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.