Home / 1,398,723.19-2,098,084.78-452,093.91

Finding the Fourth Proportional to 1,398,723.19, 2,098,084.78 and 452,093.91

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Solution

The fourth proportional to 1,398,723.19, 2,098,084.78 and 452,093.91 is: 678,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,723.19 : 2,098,084.78 = 452,093.91 : x
  2. Step 2: Convert to fraction form
    1,398,723.19/2,098,084.78 = 452,093.91/x
  3. Step 3: Cross multiply
    1,398,723.19x = 2,098,084.78 × 452,093.91
  4. Step 4: Simplify right side
    1,398,723.19x = 948,531,344,398.99
  5. Step 5: Solve for x
    x = 948,531,344,398.99/1,398,723.19
  6. Step 6: Final answer
    x = 678,140.86

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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.