Home / 865,253.07-1,194,042.18-478,067.25

Finding the Fourth Proportional to 865,253.07, 1,194,042.18 and 478,067.25

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Solution

The fourth proportional to 865,253.07, 1,194,042.18 and 478,067.25 is: 659,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,253.07 : 1,194,042.18 = 478,067.25 : x
  2. Step 2: Convert to fraction form
    865,253.07/1,194,042.18 = 478,067.25/x
  3. Step 3: Cross multiply
    865,253.07x = 1,194,042.18 × 478,067.25
  4. Step 4: Simplify right side
    865,253.07x = 570,832,461,376.61
  5. Step 5: Solve for x
    x = 570,832,461,376.61/865,253.07
  6. Step 6: Final answer
    x = 659,728.91

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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.