Home / 838,198.31-1,256,417.15-411,142.82

Finding the Fourth Proportional to 838,198.31, 1,256,417.15 and 411,142.82

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Solution

The fourth proportional to 838,198.31, 1,256,417.15 and 411,142.82 is: 616,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,198.31 : 1,256,417.15 = 411,142.82 : x
  2. Step 2: Convert to fraction form
    838,198.31/1,256,417.15 = 411,142.82/x
  3. Step 3: Cross multiply
    838,198.31x = 1,256,417.15 × 411,142.82
  4. Step 4: Simplify right side
    838,198.31x = 516,566,881,809.56
  5. Step 5: Solve for x
    x = 516,566,881,809.56/838,198.31
  6. Step 6: Final answer
    x = 616,282.42

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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.