Home / 792,042.60-1,186,314.30-417,628.20

Finding the Fourth Proportional to 792,042.60, 1,186,314.30 and 417,628.20

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Solution

The fourth proportional to 792,042.60, 1,186,314.30 and 417,628.20 is: 625,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,042.60 : 1,186,314.30 = 417,628.20 : x
  2. Step 2: Convert to fraction form
    792,042.60/1,186,314.30 = 417,628.20/x
  3. Step 3: Cross multiply
    792,042.60x = 1,186,314.30 × 417,628.20
  4. Step 4: Simplify right side
    792,042.60x = 495,438,305,743.26
  5. Step 5: Solve for x
    x = 495,438,305,743.26/792,042.60
  6. Step 6: Final answer
    x = 625,519.77

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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.