Home / 397,182.42-547,585.11-328,948.02

Finding the Fourth Proportional to 397,182.42, 547,585.11 and 328,948.02

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Solution

The fourth proportional to 397,182.42, 547,585.11 and 328,948.02 is: 453,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,182.42 : 547,585.11 = 328,948.02 : x
  2. Step 2: Convert to fraction form
    397,182.42/547,585.11 = 328,948.02/x
  3. Step 3: Cross multiply
    397,182.42x = 547,585.11 × 328,948.02
  4. Step 4: Simplify right side
    397,182.42x = 180,127,037,715.98
  5. Step 5: Solve for x
    x = 180,127,037,715.98/397,182.42
  6. Step 6: Final answer
    x = 453,512.11

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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.