Home / 745,144-1,117,821.12-239,535.52

Finding the Fourth Proportional to 745,144, 1,117,821.12 and 239,535.52

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Solution

The fourth proportional to 745,144, 1,117,821.12 and 239,535.52 is: 359,337.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,144 : 1,117,821.12 = 239,535.52 : x
  2. Step 2: Convert to fraction form
    745,144/1,117,821.12 = 239,535.52/x
  3. Step 3: Cross multiply
    745,144x = 1,117,821.12 × 239,535.52
  4. Step 4: Simplify right side
    745,144x = 267,757,863,246.18
  5. Step 5: Solve for x
    x = 267,757,863,246.18/745,144
  6. Step 6: Final answer
    x = 359,337.07

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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.