Home / 483,278.31-666,905.61-268,432.16

Finding the Fourth Proportional to 483,278.31, 666,905.61 and 268,432.16

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Solution

The fourth proportional to 483,278.31, 666,905.61 and 268,432.16 is: 370,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,278.31 : 666,905.61 = 268,432.16 : x
  2. Step 2: Convert to fraction form
    483,278.31/666,905.61 = 268,432.16/x
  3. Step 3: Cross multiply
    483,278.31x = 666,905.61 × 268,432.16
  4. Step 4: Simplify right side
    483,278.31x = 179,018,910,073.89
  5. Step 5: Solve for x
    x = 179,018,910,073.89/483,278.31
  6. Step 6: Final answer
    x = 370,426.12

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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.