Home / 865,536.75-1,194,418.71-483,566.40

Finding the Fourth Proportional to 865,536.75, 1,194,418.71 and 483,566.40

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Solution

The fourth proportional to 865,536.75, 1,194,418.71 and 483,566.40 is: 667,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,536.75 : 1,194,418.71 = 483,566.40 : x
  2. Step 2: Convert to fraction form
    865,536.75/1,194,418.71 = 483,566.40/x
  3. Step 3: Cross multiply
    865,536.75x = 1,194,418.71 × 483,566.40
  4. Step 4: Simplify right side
    865,536.75x = 577,580,755,687.34
  5. Step 5: Solve for x
    x = 577,580,755,687.34/865,536.75
  6. Step 6: Final answer
    x = 667,309.34

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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.