Home / 693,179.20-1,038,019.20-455,233.60

Finding the Fourth Proportional to 693,179.20, 1,038,019.20 and 455,233.60

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Solution

The fourth proportional to 693,179.20, 1,038,019.20 and 455,233.60 is: 681,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,179.20 : 1,038,019.20 = 455,233.60 : x
  2. Step 2: Convert to fraction form
    693,179.20/1,038,019.20 = 455,233.60/x
  3. Step 3: Cross multiply
    693,179.20x = 1,038,019.20 × 455,233.60
  4. Step 4: Simplify right side
    693,179.20x = 472,541,217,285.12
  5. Step 5: Solve for x
    x = 472,541,217,285.12/693,179.20
  6. Step 6: Final answer
    x = 681,701.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.