Home / 497,737.35-686,878.23-271,382.85

Finding the Fourth Proportional to 497,737.35, 686,878.23 and 271,382.85

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Solution

The fourth proportional to 497,737.35, 686,878.23 and 271,382.85 is: 374,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,737.35 : 686,878.23 = 271,382.85 : x
  2. Step 2: Convert to fraction form
    497,737.35/686,878.23 = 271,382.85/x
  3. Step 3: Cross multiply
    497,737.35x = 686,878.23 × 271,382.85
  4. Step 4: Simplify right side
    497,737.35x = 186,406,971,660.36
  5. Step 5: Solve for x
    x = 186,406,971,660.36/497,737.35
  6. Step 6: Final answer
    x = 374,508.71

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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.