Home / 497,161.58-686,087.67-282,306.15

Finding the Fourth Proportional to 497,161.58, 686,087.67 and 282,306.15

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Solution

The fourth proportional to 497,161.58, 686,087.67 and 282,306.15 is: 389,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,161.58 : 686,087.67 = 282,306.15 : x
  2. Step 2: Convert to fraction form
    497,161.58/686,087.67 = 282,306.15/x
  3. Step 3: Cross multiply
    497,161.58x = 686,087.67 × 282,306.15
  4. Step 4: Simplify right side
    497,161.58x = 193,686,768,680.17
  5. Step 5: Solve for x
    x = 193,686,768,680.17/497,161.58
  6. Step 6: Final answer
    x = 389,585.15

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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.