Home / 729,052.92-1,006,091.64-406,743.84

Finding the Fourth Proportional to 729,052.92, 1,006,091.64 and 406,743.84

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Solution

The fourth proportional to 729,052.92, 1,006,091.64 and 406,743.84 is: 561,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,052.92 : 1,006,091.64 = 406,743.84 : x
  2. Step 2: Convert to fraction form
    729,052.92/1,006,091.64 = 406,743.84/x
  3. Step 3: Cross multiply
    729,052.92x = 1,006,091.64 × 406,743.84
  4. Step 4: Simplify right side
    729,052.92x = 409,221,577,045.50
  5. Step 5: Solve for x
    x = 409,221,577,045.50/729,052.92
  6. Step 6: Final answer
    x = 561,305.72

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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.