Home / 749,605.92-1,124,778.25-350,274.30

Finding the Fourth Proportional to 749,605.92, 1,124,778.25 and 350,274.30

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Solution

The fourth proportional to 749,605.92, 1,124,778.25 and 350,274.30 is: 525,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,605.92 : 1,124,778.25 = 350,274.30 : x
  2. Step 2: Convert to fraction form
    749,605.92/1,124,778.25 = 350,274.30/x
  3. Step 3: Cross multiply
    749,605.92x = 1,124,778.25 × 350,274.30
  4. Step 4: Simplify right side
    749,605.92x = 393,980,914,173.98
  5. Step 5: Solve for x
    x = 393,980,914,173.98/749,605.92
  6. Step 6: Final answer
    x = 525,584.05

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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.