Home / 750,912.60-1,126,515.90-330,187.24

Finding the Fourth Proportional to 750,912.60, 1,126,515.90 and 330,187.24

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Solution

The fourth proportional to 750,912.60, 1,126,515.90 and 330,187.24 is: 495,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,912.60 : 1,126,515.90 = 330,187.24 : x
  2. Step 2: Convert to fraction form
    750,912.60/1,126,515.90 = 330,187.24/x
  3. Step 3: Cross multiply
    750,912.60x = 1,126,515.90 × 330,187.24
  4. Step 4: Simplify right side
    750,912.60x = 371,961,175,837.12
  5. Step 5: Solve for x
    x = 371,961,175,837.12/750,912.60
  6. Step 6: Final answer
    x = 495,345.50

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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.