Home / 729,034.92-1,006,066.80-406,725.84

Finding the Fourth Proportional to 729,034.92, 1,006,066.80 and 406,725.84

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Solution

The fourth proportional to 729,034.92, 1,006,066.80 and 406,725.84 is: 561,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,034.92 : 1,006,066.80 = 406,725.84 : x
  2. Step 2: Convert to fraction form
    729,034.92/1,006,066.80 = 406,725.84/x
  3. Step 3: Cross multiply
    729,034.92x = 1,006,066.80 × 406,725.84
  4. Step 4: Simplify right side
    729,034.92x = 409,193,364,326.11
  5. Step 5: Solve for x
    x = 409,193,364,326.11/729,034.92
  6. Step 6: Final answer
    x = 561,280.88

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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.