Home / 930,219.80-1,395,329.70-917,778.20

Finding the Fourth Proportional to 930,219.80, 1,395,329.70 and 917,778.20

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Solution

The fourth proportional to 930,219.80, 1,395,329.70 and 917,778.20 is: 1,376,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,219.80 : 1,395,329.70 = 917,778.20 : x
  2. Step 2: Convert to fraction form
    930,219.80/1,395,329.70 = 917,778.20/x
  3. Step 3: Cross multiply
    930,219.80x = 1,395,329.70 × 917,778.20
  4. Step 4: Simplify right side
    930,219.80x = 1,280,603,180,472.54
  5. Step 5: Solve for x
    x = 1,280,603,180,472.54/930,219.80
  6. Step 6: Final answer
    x = 1,376,667.30

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Similar ratio
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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.