Home / 362,225.40-543,338.10-272,995.80

Finding the Fourth Proportional to 362,225.40, 543,338.10 and 272,995.80

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Solution

The fourth proportional to 362,225.40, 543,338.10 and 272,995.80 is: 409,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,225.40 : 543,338.10 = 272,995.80 : x
  2. Step 2: Convert to fraction form
    362,225.40/543,338.10 = 272,995.80/x
  3. Step 3: Cross multiply
    362,225.40x = 543,338.10 × 272,995.80
  4. Step 4: Simplify right side
    362,225.40x = 148,329,019,279.98
  5. Step 5: Solve for x
    x = 148,329,019,279.98/362,225.40
  6. Step 6: Final answer
    x = 409,493.70

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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.