Home / 779,961.96-1,169,710.46-330,675.62

Finding the Fourth Proportional to 779,961.96, 1,169,710.46 and 330,675.62

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Solution

The fourth proportional to 779,961.96, 1,169,710.46 and 330,675.62 is: 495,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,961.96 : 1,169,710.46 = 330,675.62 : x
  2. Step 2: Convert to fraction form
    779,961.96/1,169,710.46 = 330,675.62/x
  3. Step 3: Cross multiply
    779,961.96x = 1,169,710.46 × 330,675.62
  4. Step 4: Simplify right side
    779,961.96x = 386,794,731,580.99
  5. Step 5: Solve for x
    x = 386,794,731,580.99/779,961.96
  6. Step 6: Final answer
    x = 495,914.87

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1.5x scale

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.