Home / 4,752,016.80-7,128,025.20-4,472,080.80

Finding the Fourth Proportional to 4,752,016.80, 7,128,025.20 and 4,472,080.80

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Solution

The fourth proportional to 4,752,016.80, 7,128,025.20 and 4,472,080.80 is: 6,708,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,016.80 : 7,128,025.20 = 4,472,080.80 : x
  2. Step 2: Convert to fraction form
    4,752,016.80/7,128,025.20 = 4,472,080.80/x
  3. Step 3: Cross multiply
    4,752,016.80x = 7,128,025.20 × 4,472,080.80
  4. Step 4: Simplify right side
    4,752,016.80x = 31,877,104,638,836.16
  5. Step 5: Solve for x
    x = 31,877,104,638,836.16/4,752,016.80
  6. Step 6: Final answer
    x = 6,708,121.20

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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.