Home / 1,137,081.53-1,569,310.13-647,170.18

Finding the Fourth Proportional to 1,137,081.53, 1,569,310.13 and 647,170.18

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Solution

The fourth proportional to 1,137,081.53, 1,569,310.13 and 647,170.18 is: 893,173.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,081.53 : 1,569,310.13 = 647,170.18 : x
  2. Step 2: Convert to fraction form
    1,137,081.53/1,569,310.13 = 647,170.18/x
  3. Step 3: Cross multiply
    1,137,081.53x = 1,569,310.13 × 647,170.18
  4. Step 4: Simplify right side
    1,137,081.53x = 1,015,610,717,002.57
  5. Step 5: Solve for x
    x = 1,015,610,717,002.57/1,137,081.53
  6. Step 6: Final answer
    x = 893,173.17

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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.