Home / 1,137,128.98-1,569,237.60-653,788.66

Finding the Fourth Proportional to 1,137,128.98, 1,569,237.60 and 653,788.66

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Solution

The fourth proportional to 1,137,128.98, 1,569,237.60 and 653,788.66 is: 902,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,128.98 : 1,569,237.60 = 653,788.66 : x
  2. Step 2: Convert to fraction form
    1,137,128.98/1,569,237.60 = 653,788.66/x
  3. Step 3: Cross multiply
    1,137,128.98x = 1,569,237.60 × 653,788.66
  4. Step 4: Simplify right side
    1,137,128.98x = 1,025,949,747,725.62
  5. Step 5: Solve for x
    x = 1,025,949,747,725.62/1,137,128.98
  6. Step 6: Final answer
    x = 902,228.13

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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.