Home / 1,205,920.40-1,810,954.20-853,408.40

Finding the Fourth Proportional to 1,205,920.40, 1,810,954.20 and 853,408.40

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Solution

The fourth proportional to 1,205,920.40, 1,810,954.20 and 853,408.40 is: 1,281,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,920.40 : 1,810,954.20 = 853,408.40 : x
  2. Step 2: Convert to fraction form
    1,205,920.40/1,810,954.20 = 853,408.40/x
  3. Step 3: Cross multiply
    1,205,920.40x = 1,810,954.20 × 853,408.40
  4. Step 4: Simplify right side
    1,205,920.40x = 1,545,483,526,295.28
  5. Step 5: Solve for x
    x = 1,545,483,526,295.28/1,205,920.40
  6. Step 6: Final answer
    x = 1,281,580.05

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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.