Home / 1,136,730.38-1,568,688.05-627,432.89

Finding the Fourth Proportional to 1,136,730.38, 1,568,688.05 and 627,432.89

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Solution

The fourth proportional to 1,136,730.38, 1,568,688.05 and 627,432.89 is: 865,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,730.38 : 1,568,688.05 = 627,432.89 : x
  2. Step 2: Convert to fraction form
    1,136,730.38/1,568,688.05 = 627,432.89/x
  3. Step 3: Cross multiply
    1,136,730.38x = 1,568,688.05 × 627,432.89
  4. Step 4: Simplify right side
    1,136,730.38x = 984,246,470,445.11
  5. Step 5: Solve for x
    x = 984,246,470,445.11/1,136,730.38
  6. Step 6: Final answer
    x = 865,857.46

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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.