Home / 539,747.80-744,847.15-298,025.17

Finding the Fourth Proportional to 539,747.80, 744,847.15 and 298,025.17

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Solution

The fourth proportional to 539,747.80, 744,847.15 and 298,025.17 is: 411,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,747.80 : 744,847.15 = 298,025.17 : x
  2. Step 2: Convert to fraction form
    539,747.80/744,847.15 = 298,025.17/x
  3. Step 3: Cross multiply
    539,747.80x = 744,847.15 × 298,025.17
  4. Step 4: Simplify right side
    539,747.80x = 221,983,193,288.40
  5. Step 5: Solve for x
    x = 221,983,193,288.40/539,747.80
  6. Step 6: Final answer
    x = 411,272.07

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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.