Home / 928,576.29-1,392,162.54-608,808.61

Finding the Fourth Proportional to 928,576.29, 1,392,162.54 and 608,808.61

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Solution

The fourth proportional to 928,576.29, 1,392,162.54 and 608,808.61 is: 912,752.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,576.29 : 1,392,162.54 = 608,808.61 : x
  2. Step 2: Convert to fraction form
    928,576.29/1,392,162.54 = 608,808.61/x
  3. Step 3: Cross multiply
    928,576.29x = 1,392,162.54 × 608,808.61
  4. Step 4: Simplify right side
    928,576.29x = 847,560,540,871.47
  5. Step 5: Solve for x
    x = 847,560,540,871.47/928,576.29
  6. Step 6: Final answer
    x = 912,752.73

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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.