Home / 522,747.40-721,281.38-341,724.52

Finding the Fourth Proportional to 522,747.40, 721,281.38 and 341,724.52

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Solution

The fourth proportional to 522,747.40, 721,281.38 and 341,724.52 is: 471,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,747.40 : 721,281.38 = 341,724.52 : x
  2. Step 2: Convert to fraction form
    522,747.40/721,281.38 = 341,724.52/x
  3. Step 3: Cross multiply
    522,747.40x = 721,281.38 × 341,724.52
  4. Step 4: Simplify right side
    522,747.40x = 246,479,533,365.44
  5. Step 5: Solve for x
    x = 246,479,533,365.44/522,747.40
  6. Step 6: Final answer
    x = 471,507.91

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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.