Home / 747,025.50-1,120,548-248,389.50

Finding the Fourth Proportional to 747,025.50, 1,120,548 and 248,389.50

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Solution

The fourth proportional to 747,025.50, 1,120,548 and 248,389.50 is: 372,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,025.50 : 1,120,548 = 248,389.50 : x
  2. Step 2: Convert to fraction form
    747,025.50/1,120,548 = 248,389.50/x
  3. Step 3: Cross multiply
    747,025.50x = 1,120,548 × 248,389.50
  4. Step 4: Simplify right side
    747,025.50x = 278,332,357,446
  5. Step 5: Solve for x
    x = 278,332,357,446/747,025.50
  6. Step 6: Final answer
    x = 372,587.49

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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.