Home / 1,693,718.30-2,337,245.53-1,005,419.62

Finding the Fourth Proportional to 1,693,718.30, 2,337,245.53 and 1,005,419.62

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Solution

The fourth proportional to 1,693,718.30, 2,337,245.53 and 1,005,419.62 is: 1,387,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,718.30 : 2,337,245.53 = 1,005,419.62 : x
  2. Step 2: Convert to fraction form
    1,693,718.30/2,337,245.53 = 1,005,419.62/x
  3. Step 3: Cross multiply
    1,693,718.30x = 2,337,245.53 × 1,005,419.62
  4. Step 4: Simplify right side
    1,693,718.30x = 2,349,912,512,619.30
  5. Step 5: Solve for x
    x = 2,349,912,512,619.30/1,693,718.30
  6. Step 6: Final answer
    x = 1,387,428.19

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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.