Home / 730,156.20-1,095,234.30-517,579.80

Finding the Fourth Proportional to 730,156.20, 1,095,234.30 and 517,579.80

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Solution

The fourth proportional to 730,156.20, 1,095,234.30 and 517,579.80 is: 776,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,156.20 : 1,095,234.30 = 517,579.80 : x
  2. Step 2: Convert to fraction form
    730,156.20/1,095,234.30 = 517,579.80/x
  3. Step 3: Cross multiply
    730,156.20x = 1,095,234.30 × 517,579.80
  4. Step 4: Simplify right side
    730,156.20x = 566,871,149,947.14
  5. Step 5: Solve for x
    x = 566,871,149,947.14/730,156.20
  6. Step 6: Final answer
    x = 776,369.70

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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.