Home / 346,790.40-520,081.92-180,487.68

Finding the Fourth Proportional to 346,790.40, 520,081.92 and 180,487.68

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Solution

The fourth proportional to 346,790.40, 520,081.92 and 180,487.68 is: 270,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,790.40 : 520,081.92 = 180,487.68 : x
  2. Step 2: Convert to fraction form
    346,790.40/520,081.92 = 180,487.68/x
  3. Step 3: Cross multiply
    346,790.40x = 520,081.92 × 180,487.68
  4. Step 4: Simplify right side
    346,790.40x = 93,868,379,150.75
  5. Step 5: Solve for x
    x = 93,868,379,150.75/346,790.40
  6. Step 6: Final answer
    x = 270,677.56

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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.