Home / 1,136,781.28-1,568,758.32-627,483.76

Finding the Fourth Proportional to 1,136,781.28, 1,568,758.32 and 627,483.76

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Solution

The fourth proportional to 1,136,781.28, 1,568,758.32 and 627,483.76 is: 865,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,781.28 : 1,568,758.32 = 627,483.76 : x
  2. Step 2: Convert to fraction form
    1,136,781.28/1,568,758.32 = 627,483.76/x
  3. Step 3: Cross multiply
    1,136,781.28x = 1,568,758.32 × 627,483.76
  4. Step 4: Simplify right side
    1,136,781.28x = 984,370,369,164.88
  5. Step 5: Solve for x
    x = 984,370,369,164.88/1,136,781.28
  6. Step 6: Final answer
    x = 865,927.67

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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.