Home / 1,249,265.29-1,874,644.50-1,147,627.20

Finding the Fourth Proportional to 1,249,265.29, 1,874,644.50 and 1,147,627.20

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Solution

The fourth proportional to 1,249,265.29, 1,874,644.50 and 1,147,627.20 is: 1,722,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,265.29 : 1,874,644.50 = 1,147,627.20 : x
  2. Step 2: Convert to fraction form
    1,249,265.29/1,874,644.50 = 1,147,627.20/x
  3. Step 3: Cross multiply
    1,249,265.29x = 1,874,644.50 × 1,147,627.20
  4. Step 4: Simplify right side
    1,249,265.29x = 2,151,393,013,885.97
  5. Step 5: Solve for x
    x = 2,151,393,013,885.97/1,249,265.29
  6. Step 6: Final answer
    x = 1,722,126.62

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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.