Home / 689,076.24-951,216.84-646,031.76

Finding the Fourth Proportional to 689,076.24, 951,216.84 and 646,031.76

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Solution

The fourth proportional to 689,076.24, 951,216.84 and 646,031.76 is: 891,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,076.24 : 951,216.84 = 646,031.76 : x
  2. Step 2: Convert to fraction form
    689,076.24/951,216.84 = 646,031.76/x
  3. Step 3: Cross multiply
    689,076.24x = 951,216.84 × 646,031.76
  4. Step 4: Simplify right side
    689,076.24x = 614,516,289,286.84
  5. Step 5: Solve for x
    x = 614,516,289,286.84/689,076.24
  6. Step 6: Final answer
    x = 891,797.24

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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.