Home / 859,107.76-1,185,426.12-496,565.14

Finding the Fourth Proportional to 859,107.76, 1,185,426.12 and 496,565.14

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Solution

The fourth proportional to 859,107.76, 1,185,426.12 and 496,565.14 is: 685,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,107.76 : 1,185,426.12 = 496,565.14 : x
  2. Step 2: Convert to fraction form
    859,107.76/1,185,426.12 = 496,565.14/x
  3. Step 3: Cross multiply
    859,107.76x = 1,185,426.12 × 496,565.14
  4. Step 4: Simplify right side
    859,107.76x = 588,641,287,237.46
  5. Step 5: Solve for x
    x = 588,641,287,237.46/859,107.76
  6. Step 6: Final answer
    x = 685,177.48

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Double scale
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1.5x scale

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.