Home / 999,572.52-1,377,975.26-712,594.38

Finding the Fourth Proportional to 999,572.52, 1,377,975.26 and 712,594.38

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Solution

The fourth proportional to 999,572.52, 1,377,975.26 and 712,594.38 is: 982,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,572.52 : 1,377,975.26 = 712,594.38 : x
  2. Step 2: Convert to fraction form
    999,572.52/1,377,975.26 = 712,594.38/x
  3. Step 3: Cross multiply
    999,572.52x = 1,377,975.26 × 712,594.38
  4. Step 4: Simplify right side
    999,572.52x = 981,937,427,836.53
  5. Step 5: Solve for x
    x = 981,937,427,836.53/999,572.52
  6. Step 6: Final answer
    x = 982,357.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.