Home / 1,408,006.40-2,108,323.20-1,031,993.60

Finding the Fourth Proportional to 1,408,006.40, 2,108,323.20 and 1,031,993.60

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Solution

The fourth proportional to 1,408,006.40, 2,108,323.20 and 1,031,993.60 is: 1,545,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,006.40 : 2,108,323.20 = 1,031,993.60 : x
  2. Step 2: Convert to fraction form
    1,408,006.40/2,108,323.20 = 1,031,993.60/x
  3. Step 3: Cross multiply
    1,408,006.40x = 2,108,323.20 × 1,031,993.60
  4. Step 4: Simplify right side
    1,408,006.40x = 2,175,776,049,131.52
  5. Step 5: Solve for x
    x = 2,175,776,049,131.52/1,408,006.40
  6. Step 6: Final answer
    x = 1,545,288.47

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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.