Home / 5,439,591.20-8,159,386.80-4,477,440.80

Finding the Fourth Proportional to 5,439,591.20, 8,159,386.80 and 4,477,440.80

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Solution

The fourth proportional to 5,439,591.20, 8,159,386.80 and 4,477,440.80 is: 6,716,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,591.20 : 8,159,386.80 = 4,477,440.80 : x
  2. Step 2: Convert to fraction form
    5,439,591.20/8,159,386.80 = 4,477,440.80/x
  3. Step 3: Cross multiply
    5,439,591.20x = 8,159,386.80 × 4,477,440.80
  4. Step 4: Simplify right side
    5,439,591.20x = 36,533,171,361,301.44
  5. Step 5: Solve for x
    x = 36,533,171,361,301.44/5,439,591.20
  6. Step 6: Final answer
    x = 6,716,161.20

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Similar ratio
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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.