Home / 497,519.14-686,576.64-282,659.56

Finding the Fourth Proportional to 497,519.14, 686,576.64 and 282,659.56

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Solution

The fourth proportional to 497,519.14, 686,576.64 and 282,659.56 is: 390,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,519.14 : 686,576.64 = 282,659.56 : x
  2. Step 2: Convert to fraction form
    497,519.14/686,576.64 = 282,659.56/x
  3. Step 3: Cross multiply
    497,519.14x = 686,576.64 × 282,659.56
  4. Step 4: Simplify right side
    497,519.14x = 194,067,450,968.68
  5. Step 5: Solve for x
    x = 194,067,450,968.68/497,519.14
  6. Step 6: Final answer
    x = 390,070.32

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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.