Home / 483,142.68-666,815.76-268,351.92

Finding the Fourth Proportional to 483,142.68, 666,815.76 and 268,351.92

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Solution

The fourth proportional to 483,142.68, 666,815.76 and 268,351.92 is: 370,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,142.68 : 666,815.76 = 268,351.92 : x
  2. Step 2: Convert to fraction form
    483,142.68/666,815.76 = 268,351.92/x
  3. Step 3: Cross multiply
    483,142.68x = 666,815.76 × 268,351.92
  4. Step 4: Simplify right side
    483,142.68x = 178,941,289,482.26
  5. Step 5: Solve for x
    x = 178,941,289,482.26/483,142.68
  6. Step 6: Final answer
    x = 370,369.45

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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.