Home / 864,660.83-1,296,319.65-560,412.68

Finding the Fourth Proportional to 864,660.83, 1,296,319.65 and 560,412.68

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Solution

The fourth proportional to 864,660.83, 1,296,319.65 and 560,412.68 is: 840,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,660.83 : 1,296,319.65 = 560,412.68 : x
  2. Step 2: Convert to fraction form
    864,660.83/1,296,319.65 = 560,412.68/x
  3. Step 3: Cross multiply
    864,660.83x = 1,296,319.65 × 560,412.68
  4. Step 4: Simplify right side
    864,660.83x = 726,473,960,610.02
  5. Step 5: Solve for x
    x = 726,473,960,610.02/864,660.83
  6. Step 6: Final answer
    x = 840,183.73

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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.