Home / 930,754.56-1,396,135.49-615,141.30

Finding the Fourth Proportional to 930,754.56, 1,396,135.49 and 615,141.30

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Solution

The fourth proportional to 930,754.56, 1,396,135.49 and 615,141.30 is: 922,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,754.56 : 1,396,135.49 = 615,141.30 : x
  2. Step 2: Convert to fraction form
    930,754.56/1,396,135.49 = 615,141.30/x
  3. Step 3: Cross multiply
    930,754.56x = 1,396,135.49 × 615,141.30
  4. Step 4: Simplify right side
    930,754.56x = 858,820,600,294.74
  5. Step 5: Solve for x
    x = 858,820,600,294.74/930,754.56
  6. Step 6: Final answer
    x = 922,714.36

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Double scale
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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.