Home / 1,376,031.40-2,064,047.10-1,040,108.20

Finding the Fourth Proportional to 1,376,031.40, 2,064,047.10 and 1,040,108.20

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Solution

The fourth proportional to 1,376,031.40, 2,064,047.10 and 1,040,108.20 is: 1,560,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,031.40 : 2,064,047.10 = 1,040,108.20 : x
  2. Step 2: Convert to fraction form
    1,376,031.40/2,064,047.10 = 1,040,108.20/x
  3. Step 3: Cross multiply
    1,376,031.40x = 2,064,047.10 × 1,040,108.20
  4. Step 4: Simplify right side
    1,376,031.40x = 2,146,832,313,896.22
  5. Step 5: Solve for x
    x = 2,146,832,313,896.22/1,376,031.40
  6. Step 6: Final answer
    x = 1,560,162.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.