Home / 330,766.11-456,461.78-247,833.25

Finding the Fourth Proportional to 330,766.11, 456,461.78 and 247,833.25

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Solution

The fourth proportional to 330,766.11, 456,461.78 and 247,833.25 is: 342,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,766.11 : 456,461.78 = 247,833.25 : x
  2. Step 2: Convert to fraction form
    330,766.11/456,461.78 = 247,833.25/x
  3. Step 3: Cross multiply
    330,766.11x = 456,461.78 × 247,833.25
  4. Step 4: Simplify right side
    330,766.11x = 113,126,406,438.19
  5. Step 5: Solve for x
    x = 113,126,406,438.19/330,766.11
  6. Step 6: Final answer
    x = 342,013.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.