Home / 1,205,341.83-1,808,012.61-939,301.38

Finding the Fourth Proportional to 1,205,341.83, 1,808,012.61 and 939,301.38

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Solution

The fourth proportional to 1,205,341.83, 1,808,012.61 and 939,301.38 is: 1,408,951.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,341.83 : 1,808,012.61 = 939,301.38 : x
  2. Step 2: Convert to fraction form
    1,205,341.83/1,808,012.61 = 939,301.38/x
  3. Step 3: Cross multiply
    1,205,341.83x = 1,808,012.61 × 939,301.38
  4. Step 4: Simplify right side
    1,205,341.83x = 1,698,268,739,630.40
  5. Step 5: Solve for x
    x = 1,698,268,739,630.40/1,205,341.83
  6. Step 6: Final answer
    x = 1,408,951.96

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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.