Home / 497,516.14-686,572.50-282,656.56

Finding the Fourth Proportional to 497,516.14, 686,572.50 and 282,656.56

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Solution

The fourth proportional to 497,516.14, 686,572.50 and 282,656.56 is: 390,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,516.14 : 686,572.50 = 282,656.56 : x
  2. Step 2: Convert to fraction form
    497,516.14/686,572.50 = 282,656.56/x
  3. Step 3: Cross multiply
    497,516.14x = 686,572.50 × 282,656.56
  4. Step 4: Simplify right side
    497,516.14x = 194,064,221,040.60
  5. Step 5: Solve for x
    x = 194,064,221,040.60/497,516.14
  6. Step 6: Final answer
    x = 390,066.18

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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.