Home / 734,663.80-1,101,995.70-520,046.20

Finding the Fourth Proportional to 734,663.80, 1,101,995.70 and 520,046.20

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Solution

The fourth proportional to 734,663.80, 1,101,995.70 and 520,046.20 is: 780,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,663.80 : 1,101,995.70 = 520,046.20 : x
  2. Step 2: Convert to fraction form
    734,663.80/1,101,995.70 = 520,046.20/x
  3. Step 3: Cross multiply
    734,663.80x = 1,101,995.70 × 520,046.20
  4. Step 4: Simplify right side
    734,663.80x = 573,088,676,201.34
  5. Step 5: Solve for x
    x = 573,088,676,201.34/734,663.80
  6. Step 6: Final answer
    x = 780,069.30

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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.