Home / 563,146.24-776,847.20-348,217.60

Finding the Fourth Proportional to 563,146.24, 776,847.20 and 348,217.60

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Solution

The fourth proportional to 563,146.24, 776,847.20 and 348,217.60 is: 480,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,146.24 : 776,847.20 = 348,217.60 : x
  2. Step 2: Convert to fraction form
    563,146.24/776,847.20 = 348,217.60/x
  3. Step 3: Cross multiply
    563,146.24x = 776,847.20 × 348,217.60
  4. Step 4: Simplify right side
    563,146.24x = 270,511,867,550.72
  5. Step 5: Solve for x
    x = 270,511,867,550.72/563,146.24
  6. Step 6: Final answer
    x = 480,358.12

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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.