Home / 1,137,205.17-1,569,342.18-653,864.80

Finding the Fourth Proportional to 1,137,205.17, 1,569,342.18 and 653,864.80

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Solution

The fourth proportional to 1,137,205.17, 1,569,342.18 and 653,864.80 is: 902,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,205.17 : 1,569,342.18 = 653,864.80 : x
  2. Step 2: Convert to fraction form
    1,137,205.17/1,569,342.18 = 653,864.80/x
  3. Step 3: Cross multiply
    1,137,205.17x = 1,569,342.18 × 653,864.80
  4. Step 4: Simplify right side
    1,137,205.17x = 1,026,137,610,657.26
  5. Step 5: Solve for x
    x = 1,026,137,610,657.26/1,137,205.17
  6. Step 6: Final answer
    x = 902,332.88

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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.