Home / 1,136,639.34-1,568,554.72-627,341.72

Finding the Fourth Proportional to 1,136,639.34, 1,568,554.72 and 627,341.72

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Solution

The fourth proportional to 1,136,639.34, 1,568,554.72 and 627,341.72 is: 865,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,639.34 : 1,568,554.72 = 627,341.72 : x
  2. Step 2: Convert to fraction form
    1,136,639.34/1,568,554.72 = 627,341.72/x
  3. Step 3: Cross multiply
    1,136,639.34x = 1,568,554.72 × 627,341.72
  4. Step 4: Simplify right side
    1,136,639.34x = 984,019,815,958.92
  5. Step 5: Solve for x
    x = 984,019,815,958.92/1,136,639.34
  6. Step 6: Final answer
    x = 865,727.40

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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.