Home / 696,436.38-1,044,949.86-380,524.23

Finding the Fourth Proportional to 696,436.38, 1,044,949.86 and 380,524.23

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Solution

The fourth proportional to 696,436.38, 1,044,949.86 and 380,524.23 is: 570,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,436.38 : 1,044,949.86 = 380,524.23 : x
  2. Step 2: Convert to fraction form
    696,436.38/1,044,949.86 = 380,524.23/x
  3. Step 3: Cross multiply
    696,436.38x = 1,044,949.86 × 380,524.23
  4. Step 4: Simplify right side
    696,436.38x = 397,628,740,865.11
  5. Step 5: Solve for x
    x = 397,628,740,865.11/696,436.38
  6. Step 6: Final answer
    x = 570,947.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.