Home / 1,252,837.15-1,728,916.37-679,877.32

Finding the Fourth Proportional to 1,252,837.15, 1,728,916.37 and 679,877.32

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Solution

The fourth proportional to 1,252,837.15, 1,728,916.37 and 679,877.32 is: 938,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,837.15 : 1,728,916.37 = 679,877.32 : x
  2. Step 2: Convert to fraction form
    1,252,837.15/1,728,916.37 = 679,877.32/x
  3. Step 3: Cross multiply
    1,252,837.15x = 1,728,916.37 × 679,877.32
  4. Step 4: Simplify right side
    1,252,837.15x = 1,175,451,023,355.99
  5. Step 5: Solve for x
    x = 1,175,451,023,355.99/1,252,837.15
  6. Step 6: Final answer
    x = 938,231.30

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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.