Home / 385,899.89-532,560.84-232,935.65

Finding the Fourth Proportional to 385,899.89, 532,560.84 and 232,935.65

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Solution

The fourth proportional to 385,899.89, 532,560.84 and 232,935.65 is: 321,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,899.89 : 532,560.84 = 232,935.65 : x
  2. Step 2: Convert to fraction form
    385,899.89/532,560.84 = 232,935.65/x
  3. Step 3: Cross multiply
    385,899.89x = 532,560.84 × 232,935.65
  4. Step 4: Simplify right side
    385,899.89x = 124,052,405,429.95
  5. Step 5: Solve for x
    x = 124,052,405,429.95/385,899.89
  6. Step 6: Final answer
    x = 321,462.66

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.