Home / 646,822.20-970,406.10-577,183.80

Finding the Fourth Proportional to 646,822.20, 970,406.10 and 577,183.80

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Solution

The fourth proportional to 646,822.20, 970,406.10 and 577,183.80 is: 865,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,822.20 : 970,406.10 = 577,183.80 : x
  2. Step 2: Convert to fraction form
    646,822.20/970,406.10 = 577,183.80/x
  3. Step 3: Cross multiply
    646,822.20x = 970,406.10 × 577,183.80
  4. Step 4: Simplify right side
    646,822.20x = 560,102,680,341.18
  5. Step 5: Solve for x
    x = 560,102,680,341.18/646,822.20
  6. Step 6: Final answer
    x = 865,929.90

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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.