Home / 412,764.88-569,621.56-240,678.16

Finding the Fourth Proportional to 412,764.88, 569,621.56 and 240,678.16

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Solution

The fourth proportional to 412,764.88, 569,621.56 and 240,678.16 is: 332,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,764.88 : 569,621.56 = 240,678.16 : x
  2. Step 2: Convert to fraction form
    412,764.88/569,621.56 = 240,678.16/x
  3. Step 3: Cross multiply
    412,764.88x = 569,621.56 × 240,678.16
  4. Step 4: Simplify right side
    412,764.88x = 137,095,468,957.13
  5. Step 5: Solve for x
    x = 137,095,468,957.13/412,764.88
  6. Step 6: Final answer
    x = 332,139.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.