Home / 739,475.80-1,109,213.70-624,002.20

Finding the Fourth Proportional to 739,475.80, 1,109,213.70 and 624,002.20

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Solution

The fourth proportional to 739,475.80, 1,109,213.70 and 624,002.20 is: 936,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,475.80 : 1,109,213.70 = 624,002.20 : x
  2. Step 2: Convert to fraction form
    739,475.80/1,109,213.70 = 624,002.20/x
  3. Step 3: Cross multiply
    739,475.80x = 1,109,213.70 × 624,002.20
  4. Step 4: Simplify right side
    739,475.80x = 692,151,789,070.14
  5. Step 5: Solve for x
    x = 692,151,789,070.14/739,475.80
  6. Step 6: Final answer
    x = 936,003.30

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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.