Home / 1,074,608.20-1,482,971.60-615,713.53

Finding the Fourth Proportional to 1,074,608.20, 1,482,971.60 and 615,713.53

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Solution

The fourth proportional to 1,074,608.20, 1,482,971.60 and 615,713.53 is: 849,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,608.20 : 1,482,971.60 = 615,713.53 : x
  2. Step 2: Convert to fraction form
    1,074,608.20/1,482,971.60 = 615,713.53/x
  3. Step 3: Cross multiply
    1,074,608.20x = 1,482,971.60 × 615,713.53
  4. Step 4: Simplify right side
    1,074,608.20x = 913,085,678,725.75
  5. Step 5: Solve for x
    x = 913,085,678,725.75/1,074,608.20
  6. Step 6: Final answer
    x = 849,691.71

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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.