Home / 4,749,974.40-7,124,961.60-1,155,712.80

Finding the Fourth Proportional to 4,749,974.40, 7,124,961.60 and 1,155,712.80

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Solution

The fourth proportional to 4,749,974.40, 7,124,961.60 and 1,155,712.80 is: 1,733,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749,974.40 : 7,124,961.60 = 1,155,712.80 : x
  2. Step 2: Convert to fraction form
    4,749,974.40/7,124,961.60 = 1,155,712.80/x
  3. Step 3: Cross multiply
    4,749,974.40x = 7,124,961.60 × 1,155,712.80
  4. Step 4: Simplify right side
    4,749,974.40x = 8,234,409,320,628.48
  5. Step 5: Solve for x
    x = 8,234,409,320,628.48/4,749,974.40
  6. Step 6: Final answer
    x = 1,733,569.20

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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.