Home / 753,247.04-1,129,870.20-192,281.36

Finding the Fourth Proportional to 753,247.04, 1,129,870.20 and 192,281.36

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Solution

The fourth proportional to 753,247.04, 1,129,870.20 and 192,281.36 is: 288,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,247.04 : 1,129,870.20 = 192,281.36 : x
  2. Step 2: Convert to fraction form
    753,247.04/1,129,870.20 = 192,281.36/x
  3. Step 3: Cross multiply
    753,247.04x = 1,129,870.20 × 192,281.36
  4. Step 4: Simplify right side
    753,247.04x = 217,252,978,679.47
  5. Step 5: Solve for x
    x = 217,252,978,679.47/753,247.04
  6. Step 6: Final answer
    x = 288,421.95

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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.