Home / 1,103,084.79-1,522,410.23-619,686.71

Finding the Fourth Proportional to 1,103,084.79, 1,522,410.23 and 619,686.71

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Solution

The fourth proportional to 1,103,084.79, 1,522,410.23 and 619,686.71 is: 855,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,084.79 : 1,522,410.23 = 619,686.71 : x
  2. Step 2: Convert to fraction form
    1,103,084.79/1,522,410.23 = 619,686.71/x
  3. Step 3: Cross multiply
    1,103,084.79x = 1,522,410.23 × 619,686.71
  4. Step 4: Simplify right side
    1,103,084.79x = 943,417,375,988.56
  5. Step 5: Solve for x
    x = 943,417,375,988.56/1,103,084.79
  6. Step 6: Final answer
    x = 855,253.73

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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.