Home / 881,167.25-1,216,070.94-499,197.17

Finding the Fourth Proportional to 881,167.25, 1,216,070.94 and 499,197.17

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Solution

The fourth proportional to 881,167.25, 1,216,070.94 and 499,197.17 is: 688,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,167.25 : 1,216,070.94 = 499,197.17 : x
  2. Step 2: Convert to fraction form
    881,167.25/1,216,070.94 = 499,197.17/x
  3. Step 3: Cross multiply
    881,167.25x = 1,216,070.94 × 499,197.17
  4. Step 4: Simplify right side
    881,167.25x = 607,059,165,686.89
  5. Step 5: Solve for x
    x = 607,059,165,686.89/881,167.25
  6. Step 6: Final answer
    x = 688,926.16

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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.