Home / 1,431,139.38-1,974,149.96-893,662.26

Finding the Fourth Proportional to 1,431,139.38, 1,974,149.96 and 893,662.26

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Solution

The fourth proportional to 1,431,139.38, 1,974,149.96 and 893,662.26 is: 1,232,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,139.38 : 1,974,149.96 = 893,662.26 : x
  2. Step 2: Convert to fraction form
    1,431,139.38/1,974,149.96 = 893,662.26/x
  3. Step 3: Cross multiply
    1,431,139.38x = 1,974,149.96 × 893,662.26
  4. Step 4: Simplify right side
    1,431,139.38x = 1,764,223,314,832.51
  5. Step 5: Solve for x
    x = 1,764,223,314,832.51/1,431,139.38
  6. Step 6: Final answer
    x = 1,232,740.39

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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.