Home / 914,658.44-1,371,987.66-381,889.40

Finding the Fourth Proportional to 914,658.44, 1,371,987.66 and 381,889.40

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Solution

The fourth proportional to 914,658.44, 1,371,987.66 and 381,889.40 is: 572,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,658.44 : 1,371,987.66 = 381,889.40 : x
  2. Step 2: Convert to fraction form
    914,658.44/1,371,987.66 = 381,889.40/x
  3. Step 3: Cross multiply
    914,658.44x = 1,371,987.66 × 381,889.40
  4. Step 4: Simplify right side
    914,658.44x = 523,947,544,284.80
  5. Step 5: Solve for x
    x = 523,947,544,284.80/914,658.44
  6. Step 6: Final answer
    x = 572,834.10

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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.