Home / 868,547.10-1,198,595.12-481,387.52

Finding the Fourth Proportional to 868,547.10, 1,198,595.12 and 481,387.52

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Solution

The fourth proportional to 868,547.10, 1,198,595.12 and 481,387.52 is: 664,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,547.10 : 1,198,595.12 = 481,387.52 : x
  2. Step 2: Convert to fraction form
    868,547.10/1,198,595.12 = 481,387.52/x
  3. Step 3: Cross multiply
    868,547.10x = 1,198,595.12 × 481,387.52
  4. Step 4: Simplify right side
    868,547.10x = 576,988,732,300.90
  5. Step 5: Solve for x
    x = 576,988,732,300.90/868,547.10
  6. Step 6: Final answer
    x = 664,314.85

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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.