Home / 985,207.53-1,478,394.96-416,557.56

Finding the Fourth Proportional to 985,207.53, 1,478,394.96 and 416,557.56

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Solution

The fourth proportional to 985,207.53, 1,478,394.96 and 416,557.56 is: 625,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,207.53 : 1,478,394.96 = 416,557.56 : x
  2. Step 2: Convert to fraction form
    985,207.53/1,478,394.96 = 416,557.56/x
  3. Step 3: Cross multiply
    985,207.53x = 1,478,394.96 × 416,557.56
  4. Step 4: Simplify right side
    985,207.53x = 615,836,597,253.90
  5. Step 5: Solve for x
    x = 615,836,597,253.90/985,207.53
  6. Step 6: Final answer
    x = 625,083.12

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1.5x scale

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.