Home / 1,150,666.20-1,725,999.30-1,038,691.80

Finding the Fourth Proportional to 1,150,666.20, 1,725,999.30 and 1,038,691.80

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Solution

The fourth proportional to 1,150,666.20, 1,725,999.30 and 1,038,691.80 is: 1,558,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,666.20 : 1,725,999.30 = 1,038,691.80 : x
  2. Step 2: Convert to fraction form
    1,150,666.20/1,725,999.30 = 1,038,691.80/x
  3. Step 3: Cross multiply
    1,150,666.20x = 1,725,999.30 × 1,038,691.80
  4. Step 4: Simplify right side
    1,150,666.20x = 1,792,781,319,715.74
  5. Step 5: Solve for x
    x = 1,792,781,319,715.74/1,150,666.20
  6. Step 6: Final answer
    x = 1,558,037.70

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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.