Home / 981,376.56-1,472,047.16-534,938.85

Finding the Fourth Proportional to 981,376.56, 1,472,047.16 and 534,938.85

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Solution

The fourth proportional to 981,376.56, 1,472,047.16 and 534,938.85 is: 802,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,376.56 : 1,472,047.16 = 534,938.85 : x
  2. Step 2: Convert to fraction form
    981,376.56/1,472,047.16 = 534,938.85/x
  3. Step 3: Cross multiply
    981,376.56x = 1,472,047.16 × 534,938.85
  4. Step 4: Simplify right side
    981,376.56x = 787,455,212,241.47
  5. Step 5: Solve for x
    x = 787,455,212,241.47/981,376.56
  6. Step 6: Final answer
    x = 802,398.64

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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.