Home / 497,452.06-686,502.21-282,628.52

Finding the Fourth Proportional to 497,452.06, 686,502.21 and 282,628.52

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Solution

The fourth proportional to 497,452.06, 686,502.21 and 282,628.52 is: 390,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,452.06 : 686,502.21 = 282,628.52 : x
  2. Step 2: Convert to fraction form
    497,452.06/686,502.21 = 282,628.52/x
  3. Step 3: Cross multiply
    497,452.06x = 686,502.21 × 282,628.52
  4. Step 4: Simplify right side
    497,452.06x = 194,025,103,589.03
  5. Step 5: Solve for x
    x = 194,025,103,589.03/497,452.06
  6. Step 6: Final answer
    x = 390,037.79

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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.