Home / 1,586,808.23-2,189,788.43-861,650.06

Finding the Fourth Proportional to 1,586,808.23, 2,189,788.43 and 861,650.06

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Solution

The fourth proportional to 1,586,808.23, 2,189,788.43 and 861,650.06 is: 1,189,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,808.23 : 2,189,788.43 = 861,650.06 : x
  2. Step 2: Convert to fraction form
    1,586,808.23/2,189,788.43 = 861,650.06/x
  3. Step 3: Cross multiply
    1,586,808.23x = 2,189,788.43 × 861,650.06
  4. Step 4: Simplify right side
    1,586,808.23x = 1,886,831,316,839.61
  5. Step 5: Solve for x
    x = 1,886,831,316,839.61/1,586,808.23
  6. Step 6: Final answer
    x = 1,189,073.32

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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.