Home / 785,331.20-1,177,996.80-536,499.20

Finding the Fourth Proportional to 785,331.20, 1,177,996.80 and 536,499.20

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Solution

The fourth proportional to 785,331.20, 1,177,996.80 and 536,499.20 is: 804,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,331.20 : 1,177,996.80 = 536,499.20 : x
  2. Step 2: Convert to fraction form
    785,331.20/1,177,996.80 = 536,499.20/x
  3. Step 3: Cross multiply
    785,331.20x = 1,177,996.80 × 536,499.20
  4. Step 4: Simplify right side
    785,331.20x = 631,994,340,802.56
  5. Step 5: Solve for x
    x = 631,994,340,802.56/785,331.20
  6. Step 6: Final answer
    x = 804,748.80

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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.