Home / 613,139.44-919,943.25-239,191.60

Finding the Fourth Proportional to 613,139.44, 919,943.25 and 239,191.60

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Solution

The fourth proportional to 613,139.44, 919,943.25 and 239,191.60 is: 358,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,139.44 : 919,943.25 = 239,191.60 : x
  2. Step 2: Convert to fraction form
    613,139.44/919,943.25 = 239,191.60/x
  3. Step 3: Cross multiply
    613,139.44x = 919,943.25 × 239,191.60
  4. Step 4: Simplify right side
    613,139.44x = 220,042,696,680.74
  5. Step 5: Solve for x
    x = 220,042,696,680.74/613,139.44
  6. Step 6: Final answer
    x = 358,878.72

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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.