Home / 1,177,010.60-1,765,515.90-911,290.10

Finding the Fourth Proportional to 1,177,010.60, 1,765,515.90 and 911,290.10

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Solution

The fourth proportional to 1,177,010.60, 1,765,515.90 and 911,290.10 is: 1,366,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,010.60 : 1,765,515.90 = 911,290.10 : x
  2. Step 2: Convert to fraction form
    1,177,010.60/1,765,515.90 = 911,290.10/x
  3. Step 3: Cross multiply
    1,177,010.60x = 1,765,515.90 × 911,290.10
  4. Step 4: Simplify right side
    1,177,010.60x = 1,608,897,161,062.59
  5. Step 5: Solve for x
    x = 1,608,897,161,062.59/1,177,010.60
  6. Step 6: Final answer
    x = 1,366,935.15

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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.