Home / 497,513.14-686,568.35-282,653.55

Finding the Fourth Proportional to 497,513.14, 686,568.35 and 282,653.55

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Solution

The fourth proportional to 497,513.14, 686,568.35 and 282,653.55 is: 390,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,513.14 : 686,568.35 = 282,653.55 : x
  2. Step 2: Convert to fraction form
    497,513.14/686,568.35 = 282,653.55/x
  3. Step 3: Cross multiply
    497,513.14x = 686,568.35 × 282,653.55
  4. Step 4: Simplify right side
    497,513.14x = 194,060,982,151.78
  5. Step 5: Solve for x
    x = 194,060,982,151.78/497,513.14
  6. Step 6: Final answer
    x = 390,062.03

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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.