Home / 969,111.20-1,453,148.40-338,045.60

Finding the Fourth Proportional to 969,111.20, 1,453,148.40 and 338,045.60

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Solution

The fourth proportional to 969,111.20, 1,453,148.40 and 338,045.60 is: 506,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,111.20 : 1,453,148.40 = 338,045.60 : x
  2. Step 2: Convert to fraction form
    969,111.20/1,453,148.40 = 338,045.60/x
  3. Step 3: Cross multiply
    969,111.20x = 1,453,148.40 × 338,045.60
  4. Step 4: Simplify right side
    969,111.20x = 491,230,422,767.04
  5. Step 5: Solve for x
    x = 491,230,422,767.04/969,111.20
  6. Step 6: Final answer
    x = 506,887.57

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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.