Home / 729,665.40-1,094,498.10-256,193.40

Finding the Fourth Proportional to 729,665.40, 1,094,498.10 and 256,193.40

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Solution

The fourth proportional to 729,665.40, 1,094,498.10 and 256,193.40 is: 384,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,665.40 : 1,094,498.10 = 256,193.40 : x
  2. Step 2: Convert to fraction form
    729,665.40/1,094,498.10 = 256,193.40/x
  3. Step 3: Cross multiply
    729,665.40x = 1,094,498.10 × 256,193.40
  4. Step 4: Simplify right side
    729,665.40x = 280,403,189,532.54
  5. Step 5: Solve for x
    x = 280,403,189,532.54/729,665.40
  6. Step 6: Final answer
    x = 384,290.10

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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.