Home / 4,752,906.80-7,129,360.20-4,230,359.60

Finding the Fourth Proportional to 4,752,906.80, 7,129,360.20 and 4,230,359.60

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Solution

The fourth proportional to 4,752,906.80, 7,129,360.20 and 4,230,359.60 is: 6,345,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,906.80 : 7,129,360.20 = 4,230,359.60 : x
  2. Step 2: Convert to fraction form
    4,752,906.80/7,129,360.20 = 4,230,359.60/x
  3. Step 3: Cross multiply
    4,752,906.80x = 7,129,360.20 × 4,230,359.60
  4. Step 4: Simplify right side
    4,752,906.80x = 30,159,757,363,927.92
  5. Step 5: Solve for x
    x = 30,159,757,363,927.92/4,752,906.80
  6. Step 6: Final answer
    x = 6,345,539.40

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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.