Home / 767,882.70-1,151,824.05-515,940.30

Finding the Fourth Proportional to 767,882.70, 1,151,824.05 and 515,940.30

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Solution

The fourth proportional to 767,882.70, 1,151,824.05 and 515,940.30 is: 773,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,882.70 : 1,151,824.05 = 515,940.30 : x
  2. Step 2: Convert to fraction form
    767,882.70/1,151,824.05 = 515,940.30/x
  3. Step 3: Cross multiply
    767,882.70x = 1,151,824.05 × 515,940.30
  4. Step 4: Simplify right side
    767,882.70x = 594,272,445,904.22
  5. Step 5: Solve for x
    x = 594,272,445,904.22/767,882.70
  6. Step 6: Final answer
    x = 773,910.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.