Home / 692,976.18-956,318.85-387,079.38

Finding the Fourth Proportional to 692,976.18, 956,318.85 and 387,079.38

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Solution

The fourth proportional to 692,976.18, 956,318.85 and 387,079.38 is: 534,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,976.18 : 956,318.85 = 387,079.38 : x
  2. Step 2: Convert to fraction form
    692,976.18/956,318.85 = 387,079.38/x
  3. Step 3: Cross multiply
    692,976.18x = 956,318.85 × 387,079.38
  4. Step 4: Simplify right side
    692,976.18x = 370,171,307,540.31
  5. Step 5: Solve for x
    x = 370,171,307,540.31/692,976.18
  6. Step 6: Final answer
    x = 534,176.09

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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.