Home / 1,155,175.22-1,732,878.56-396,916.81

Finding the Fourth Proportional to 1,155,175.22, 1,732,878.56 and 396,916.81

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Solution

The fourth proportional to 1,155,175.22, 1,732,878.56 and 396,916.81 is: 595,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,175.22 : 1,732,878.56 = 396,916.81 : x
  2. Step 2: Convert to fraction form
    1,155,175.22/1,732,878.56 = 396,916.81/x
  3. Step 3: Cross multiply
    1,155,175.22x = 1,732,878.56 × 396,916.81
  4. Step 4: Simplify right side
    1,155,175.22x = 687,808,626,812.69
  5. Step 5: Solve for x
    x = 687,808,626,812.69/1,155,175.22
  6. Step 6: Final answer
    x = 595,414.98

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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.