Home / 497,514.14-686,569.73-282,654.55

Finding the Fourth Proportional to 497,514.14, 686,569.73 and 282,654.55

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Solution

The fourth proportional to 497,514.14, 686,569.73 and 282,654.55 is: 390,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,514.14 : 686,569.73 = 282,654.55 : x
  2. Step 2: Convert to fraction form
    497,514.14/686,569.73 = 282,654.55/x
  3. Step 3: Cross multiply
    497,514.14x = 686,569.73 × 282,654.55
  4. Step 4: Simplify right side
    497,514.14x = 194,062,058,076.77
  5. Step 5: Solve for x
    x = 194,062,058,076.77/497,514.14
  6. Step 6: Final answer
    x = 390,063.40

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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.