Home / 1,127,981.50-1,692,661.15-488,456.22

Finding the Fourth Proportional to 1,127,981.50, 1,692,661.15 and 488,456.22

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Solution

The fourth proportional to 1,127,981.50, 1,692,661.15 and 488,456.22 is: 732,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,981.50 : 1,692,661.15 = 488,456.22 : x
  2. Step 2: Convert to fraction form
    1,127,981.50/1,692,661.15 = 488,456.22/x
  3. Step 3: Cross multiply
    1,127,981.50x = 1,692,661.15 × 488,456.22
  4. Step 4: Simplify right side
    1,127,981.50x = 826,790,874,027.90
  5. Step 5: Solve for x
    x = 826,790,874,027.90/1,127,981.50
  6. Step 6: Final answer
    x = 732,982.66

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Double scale
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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.