Home / 1,712,939.40-2,360,049.84-1,131,129.36

Finding the Fourth Proportional to 1,712,939.40, 2,360,049.84 and 1,131,129.36

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Solution

The fourth proportional to 1,712,939.40, 2,360,049.84 and 1,131,129.36 is: 1,558,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,939.40 : 2,360,049.84 = 1,131,129.36 : x
  2. Step 2: Convert to fraction form
    1,712,939.40/2,360,049.84 = 1,131,129.36/x
  3. Step 3: Cross multiply
    1,712,939.40x = 2,360,049.84 × 1,131,129.36
  4. Step 4: Simplify right side
    1,712,939.40x = 2,669,521,665,087.30
  5. Step 5: Solve for x
    x = 2,669,521,665,087.30/1,712,939.40
  6. Step 6: Final answer
    x = 1,558,444.90

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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.