Home / 865,235.24-1,194,037.16-478,059.57

Finding the Fourth Proportional to 865,235.24, 1,194,037.16 and 478,059.57

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Solution

The fourth proportional to 865,235.24, 1,194,037.16 and 478,059.57 is: 659,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,235.24 : 1,194,037.16 = 478,059.57 : x
  2. Step 2: Convert to fraction form
    865,235.24/1,194,037.16 = 478,059.57/x
  3. Step 3: Cross multiply
    865,235.24x = 1,194,037.16 × 478,059.57
  4. Step 4: Simplify right side
    865,235.24x = 570,820,891,273.62
  5. Step 5: Solve for x
    x = 570,820,891,273.62/865,235.24
  6. Step 6: Final answer
    x = 659,729.13

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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.