Home / 1,689,354.47-2,534,010.57-409,972.55

Finding the Fourth Proportional to 1,689,354.47, 2,534,010.57 and 409,972.55

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Solution

The fourth proportional to 1,689,354.47, 2,534,010.57 and 409,972.55 is: 614,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,354.47 : 2,534,010.57 = 409,972.55 : x
  2. Step 2: Convert to fraction form
    1,689,354.47/2,534,010.57 = 409,972.55/x
  3. Step 3: Cross multiply
    1,689,354.47x = 2,534,010.57 × 409,972.55
  4. Step 4: Simplify right side
    1,689,354.47x = 1,038,874,762,439.80
  5. Step 5: Solve for x
    x = 1,038,874,762,439.80/1,689,354.47
  6. Step 6: Final answer
    x = 614,953.69

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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.