Home / 1,199,408.80-1,799,314.80-358,045.60

Finding the Fourth Proportional to 1,199,408.80, 1,799,314.80 and 358,045.60

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Solution

The fourth proportional to 1,199,408.80, 1,799,314.80 and 358,045.60 is: 537,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,408.80 : 1,799,314.80 = 358,045.60 : x
  2. Step 2: Convert to fraction form
    1,199,408.80/1,799,314.80 = 358,045.60/x
  3. Step 3: Cross multiply
    1,199,408.80x = 1,799,314.80 × 358,045.60
  4. Step 4: Simplify right side
    1,199,408.80x = 644,236,747,154.88
  5. Step 5: Solve for x
    x = 644,236,747,154.88/1,199,408.80
  6. Step 6: Final answer
    x = 537,128.58

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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.