Home / 749,245.20-1,123,867.80-736,803.60

Finding the Fourth Proportional to 749,245.20, 1,123,867.80 and 736,803.60

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Solution

The fourth proportional to 749,245.20, 1,123,867.80 and 736,803.60 is: 1,105,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,245.20 : 1,123,867.80 = 736,803.60 : x
  2. Step 2: Convert to fraction form
    749,245.20/1,123,867.80 = 736,803.60/x
  3. Step 3: Cross multiply
    749,245.20x = 1,123,867.80 × 736,803.60
  4. Step 4: Simplify right side
    749,245.20x = 828,069,840,964.08
  5. Step 5: Solve for x
    x = 828,069,840,964.08/749,245.20
  6. Step 6: Final answer
    x = 1,105,205.40

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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.