Home / 554,219.48-764,831.41-324,721.85

Finding the Fourth Proportional to 554,219.48, 764,831.41 and 324,721.85

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Solution

The fourth proportional to 554,219.48, 764,831.41 and 324,721.85 is: 448,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,219.48 : 764,831.41 = 324,721.85 : x
  2. Step 2: Convert to fraction form
    554,219.48/764,831.41 = 324,721.85/x
  3. Step 3: Cross multiply
    554,219.48x = 764,831.41 × 324,721.85
  4. Step 4: Simplify right side
    554,219.48x = 248,357,465,757.35
  5. Step 5: Solve for x
    x = 248,357,465,757.35/554,219.48
  6. Step 6: Final answer
    x = 448,121.14

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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.