Home / 497,117.76-686,027.15-282,262.42

Finding the Fourth Proportional to 497,117.76, 686,027.15 and 282,262.42

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Solution

The fourth proportional to 497,117.76, 686,027.15 and 282,262.42 is: 389,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,117.76 : 686,027.15 = 282,262.42 : x
  2. Step 2: Convert to fraction form
    497,117.76/686,027.15 = 282,262.42/x
  3. Step 3: Cross multiply
    497,117.76x = 686,027.15 × 282,262.42
  4. Step 4: Simplify right side
    497,117.76x = 193,639,683,544.70
  5. Step 5: Solve for x
    x = 193,639,683,544.70/497,117.76
  6. Step 6: Final answer
    x = 389,524.77

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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.