Home / 739,474.80-1,109,212.20-624,001.20

Finding the Fourth Proportional to 739,474.80, 1,109,212.20 and 624,001.20

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Solution

The fourth proportional to 739,474.80, 1,109,212.20 and 624,001.20 is: 936,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,474.80 : 1,109,212.20 = 624,001.20 : x
  2. Step 2: Convert to fraction form
    739,474.80/1,109,212.20 = 624,001.20/x
  3. Step 3: Cross multiply
    739,474.80x = 1,109,212.20 × 624,001.20
  4. Step 4: Simplify right side
    739,474.80x = 692,149,743,854.64
  5. Step 5: Solve for x
    x = 692,149,743,854.64/739,474.80
  6. Step 6: Final answer
    x = 936,001.80

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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.