Home / 484,278.42-668,313.16-269,438.52

Finding the Fourth Proportional to 484,278.42, 668,313.16 and 269,438.52

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Solution

The fourth proportional to 484,278.42, 668,313.16 and 269,438.52 is: 371,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,278.42 : 668,313.16 = 269,438.52 : x
  2. Step 2: Convert to fraction form
    484,278.42/668,313.16 = 269,438.52/x
  3. Step 3: Cross multiply
    484,278.42x = 668,313.16 × 269,438.52
  4. Step 4: Simplify right side
    484,278.42x = 180,069,308,726.92
  5. Step 5: Solve for x
    x = 180,069,308,726.92/484,278.42
  6. Step 6: Final answer
    x = 371,830.13

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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.