Home / 745,851.20-1,118,105.04-272,204.24

Finding the Fourth Proportional to 745,851.20, 1,118,105.04 and 272,204.24

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Solution

The fourth proportional to 745,851.20, 1,118,105.04 and 272,204.24 is: 408,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,851.20 : 1,118,105.04 = 272,204.24 : x
  2. Step 2: Convert to fraction form
    745,851.20/1,118,105.04 = 272,204.24/x
  3. Step 3: Cross multiply
    745,851.20x = 1,118,105.04 × 272,204.24
  4. Step 4: Simplify right side
    745,851.20x = 304,352,932,653.37
  5. Step 5: Solve for x
    x = 304,352,932,653.37/745,851.20
  6. Step 6: Final answer
    x = 408,061.20

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Double scale
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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.