Home / 479,729.16-719,462.34-180,186.57

Finding the Fourth Proportional to 479,729.16, 719,462.34 and 180,186.57

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Solution

The fourth proportional to 479,729.16, 719,462.34 and 180,186.57 is: 270,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,729.16 : 719,462.34 = 180,186.57 : x
  2. Step 2: Convert to fraction form
    479,729.16/719,462.34 = 180,186.57/x
  3. Step 3: Cross multiply
    479,729.16x = 719,462.34 × 180,186.57
  4. Step 4: Simplify right side
    479,729.16x = 129,637,451,288.77
  5. Step 5: Solve for x
    x = 129,637,451,288.77/479,729.16
  6. Step 6: Final answer
    x = 270,230.50

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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.