Home / 461,161.90-687,158.28-410,855.43

Finding the Fourth Proportional to 461,161.90, 687,158.28 and 410,855.43

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Solution

The fourth proportional to 461,161.90, 687,158.28 and 410,855.43 is: 612,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,161.90 : 687,158.28 = 410,855.43 : x
  2. Step 2: Convert to fraction form
    461,161.90/687,158.28 = 410,855.43/x
  3. Step 3: Cross multiply
    461,161.90x = 687,158.28 × 410,855.43
  4. Step 4: Simplify right side
    461,161.90x = 282,322,710,607.46
  5. Step 5: Solve for x
    x = 282,322,710,607.46/461,161.90
  6. Step 6: Final answer
    x = 612,198.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.