Home / 745,448.94-1,118,352.15-240,057.54

Finding the Fourth Proportional to 745,448.94, 1,118,352.15 and 240,057.54

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Solution

The fourth proportional to 745,448.94, 1,118,352.15 and 240,057.54 is: 360,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,448.94 : 1,118,352.15 = 240,057.54 : x
  2. Step 2: Convert to fraction form
    745,448.94/1,118,352.15 = 240,057.54/x
  3. Step 3: Cross multiply
    745,448.94x = 1,118,352.15 × 240,057.54
  4. Step 4: Simplify right side
    745,448.94x = 268,468,865,982.71
  5. Step 5: Solve for x
    x = 268,468,865,982.71/745,448.94
  6. Step 6: Final answer
    x = 360,143.87

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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.