Home / 1,406,770.56-1,939,920.71-1,251,230.72

Finding the Fourth Proportional to 1,406,770.56, 1,939,920.71 and 1,251,230.72

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Solution

The fourth proportional to 1,406,770.56, 1,939,920.71 and 1,251,230.72 is: 1,725,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,770.56 : 1,939,920.71 = 1,251,230.72 : x
  2. Step 2: Convert to fraction form
    1,406,770.56/1,939,920.71 = 1,251,230.72/x
  3. Step 3: Cross multiply
    1,406,770.56x = 1,939,920.71 × 1,251,230.72
  4. Step 4: Simplify right side
    1,406,770.56x = 2,427,288,370,760.45
  5. Step 5: Solve for x
    x = 2,427,288,370,760.45/1,406,770.56
  6. Step 6: Final answer
    x = 1,725,433.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.