Home / 826,337.52-1,239,070.19-257,612.58

Finding the Fourth Proportional to 826,337.52, 1,239,070.19 and 257,612.58

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Solution

The fourth proportional to 826,337.52, 1,239,070.19 and 257,612.58 is: 386,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,337.52 : 1,239,070.19 = 257,612.58 : x
  2. Step 2: Convert to fraction form
    826,337.52/1,239,070.19 = 257,612.58/x
  3. Step 3: Cross multiply
    826,337.52x = 1,239,070.19 × 257,612.58
  4. Step 4: Simplify right side
    826,337.52x = 319,200,067,158.93
  5. Step 5: Solve for x
    x = 319,200,067,158.93/826,337.52
  6. Step 6: Final answer
    x = 386,282.92

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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.