Home / 838,237.14-1,251,270.05-775,789.38

Finding the Fourth Proportional to 838,237.14, 1,251,270.05 and 775,789.38

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Solution

The fourth proportional to 838,237.14, 1,251,270.05 and 775,789.38 is: 1,158,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,237.14 : 1,251,270.05 = 775,789.38 : x
  2. Step 2: Convert to fraction form
    838,237.14/1,251,270.05 = 775,789.38/x
  3. Step 3: Cross multiply
    838,237.14x = 1,251,270.05 × 775,789.38
  4. Step 4: Simplify right side
    838,237.14x = 970,722,012,423.12
  5. Step 5: Solve for x
    x = 970,722,012,423.12/838,237.14
  6. Step 6: Final answer
    x = 1,158,051.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.