Home / 746,120.57-1,119,398.85-240,670.36

Finding the Fourth Proportional to 746,120.57, 1,119,398.85 and 240,670.36

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Solution

The fourth proportional to 746,120.57, 1,119,398.85 and 240,670.36 is: 361,075.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,120.57 : 1,119,398.85 = 240,670.36 : x
  2. Step 2: Convert to fraction form
    746,120.57/1,119,398.85 = 240,670.36/x
  3. Step 3: Cross multiply
    746,120.57x = 1,119,398.85 × 240,670.36
  4. Step 4: Simplify right side
    746,120.57x = 269,406,124,213.09
  5. Step 5: Solve for x
    x = 269,406,124,213.09/746,120.57
  6. Step 6: Final answer
    x = 361,075.86

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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.