Home / 725,178.30-1,000,889.28-463,366.14

Finding the Fourth Proportional to 725,178.30, 1,000,889.28 and 463,366.14

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Solution

The fourth proportional to 725,178.30, 1,000,889.28 and 463,366.14 is: 639,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,178.30 : 1,000,889.28 = 463,366.14 : x
  2. Step 2: Convert to fraction form
    725,178.30/1,000,889.28 = 463,366.14/x
  3. Step 3: Cross multiply
    725,178.30x = 1,000,889.28 × 463,366.14
  4. Step 4: Simplify right side
    725,178.30x = 463,778,202,240.98
  5. Step 5: Solve for x
    x = 463,778,202,240.98/725,178.30
  6. Step 6: Final answer
    x = 639,536.79

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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.