Home / 1,205,351.28-1,808,026.96-939,310.96

Finding the Fourth Proportional to 1,205,351.28, 1,808,026.96 and 939,310.96

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Solution

The fourth proportional to 1,205,351.28, 1,808,026.96 and 939,310.96 is: 1,408,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,351.28 : 1,808,026.96 = 939,310.96 : x
  2. Step 2: Convert to fraction form
    1,205,351.28/1,808,026.96 = 939,310.96/x
  3. Step 3: Cross multiply
    1,205,351.28x = 1,808,026.96 × 939,310.96
  4. Step 4: Simplify right side
    1,205,351.28x = 1,698,299,539,503.48
  5. Step 5: Solve for x
    x = 1,698,299,539,503.48/1,205,351.28
  6. Step 6: Final answer
    x = 1,408,966.47

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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.