Home / 865,343.69-1,194,149.14-478,152.96

Finding the Fourth Proportional to 865,343.69, 1,194,149.14 and 478,152.96

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Solution

The fourth proportional to 865,343.69, 1,194,149.14 and 478,152.96 is: 659,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,343.69 : 1,194,149.14 = 478,152.96 : x
  2. Step 2: Convert to fraction form
    865,343.69/1,194,149.14 = 478,152.96/x
  3. Step 3: Cross multiply
    865,343.69x = 1,194,149.14 × 478,152.96
  4. Step 4: Simplify right side
    865,343.69x = 570,985,945,972.45
  5. Step 5: Solve for x
    x = 570,985,945,972.45/865,343.69
  6. Step 6: Final answer
    x = 659,837.19

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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.