Home / 522,919.38-721,786.50-452,060.58

Finding the Fourth Proportional to 522,919.38, 721,786.50 and 452,060.58

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Solution

The fourth proportional to 522,919.38, 721,786.50 and 452,060.58 is: 623,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,919.38 : 721,786.50 = 452,060.58 : x
  2. Step 2: Convert to fraction form
    522,919.38/721,786.50 = 452,060.58/x
  3. Step 3: Cross multiply
    522,919.38x = 721,786.50 × 452,060.58
  4. Step 4: Simplify right side
    522,919.38x = 326,291,223,826.17
  5. Step 5: Solve for x
    x = 326,291,223,826.17/522,919.38
  6. Step 6: Final answer
    x = 623,979.98

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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.