Home / 1,152,946.71-1,591,082.19-636,735.42

Finding the Fourth Proportional to 1,152,946.71, 1,591,082.19 and 636,735.42

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Solution

The fourth proportional to 1,152,946.71, 1,591,082.19 and 636,735.42 is: 878,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,946.71 : 1,591,082.19 = 636,735.42 : x
  2. Step 2: Convert to fraction form
    1,152,946.71/1,591,082.19 = 636,735.42/x
  3. Step 3: Cross multiply
    1,152,946.71x = 1,591,082.19 × 636,735.42
  4. Step 4: Simplify right side
    1,152,946.71x = 1,013,098,386,504.17
  5. Step 5: Solve for x
    x = 1,013,098,386,504.17/1,152,946.71
  6. Step 6: Final answer
    x = 878,703.57

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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.