Home / 865,851.06-1,194,770.98-478,614.17

Finding the Fourth Proportional to 865,851.06, 1,194,770.98 and 478,614.17

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Solution

The fourth proportional to 865,851.06, 1,194,770.98 and 478,614.17 is: 660,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,851.06 : 1,194,770.98 = 478,614.17 : x
  2. Step 2: Convert to fraction form
    865,851.06/1,194,770.98 = 478,614.17/x
  3. Step 3: Cross multiply
    865,851.06x = 1,194,770.98 × 478,614.17
  4. Step 4: Simplify right side
    865,851.06x = 571,834,320,932.79
  5. Step 5: Solve for x
    x = 571,834,320,932.79/865,851.06
  6. Step 6: Final answer
    x = 660,430.35

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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.