Home / 779,833.20-1,169,740.50-247,358.85

Finding the Fourth Proportional to 779,833.20, 1,169,740.50 and 247,358.85

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Solution

The fourth proportional to 779,833.20, 1,169,740.50 and 247,358.85 is: 371,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,833.20 : 1,169,740.50 = 247,358.85 : x
  2. Step 2: Convert to fraction form
    779,833.20/1,169,740.50 = 247,358.85/x
  3. Step 3: Cross multiply
    779,833.20x = 1,169,740.50 × 247,358.85
  4. Step 4: Simplify right side
    779,833.20x = 289,345,664,878.43
  5. Step 5: Solve for x
    x = 289,345,664,878.43/779,833.20
  6. Step 6: Final answer
    x = 371,035.33

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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.