Home / 621,285.48-930,562.23-513,447.24

Finding the Fourth Proportional to 621,285.48, 930,562.23 and 513,447.24

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Solution

The fourth proportional to 621,285.48, 930,562.23 and 513,447.24 is: 769,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,285.48 : 930,562.23 = 513,447.24 : x
  2. Step 2: Convert to fraction form
    621,285.48/930,562.23 = 513,447.24/x
  3. Step 3: Cross multiply
    621,285.48x = 930,562.23 × 513,447.24
  4. Step 4: Simplify right side
    621,285.48x = 477,794,608,641.75
  5. Step 5: Solve for x
    x = 477,794,608,641.75/621,285.48
  6. Step 6: Final answer
    x = 769,041.97

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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.