Home / 1,939,025.79-2,909,867.22-676,853.28

Finding the Fourth Proportional to 1,939,025.79, 2,909,867.22 and 676,853.28

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Solution

The fourth proportional to 1,939,025.79, 2,909,867.22 and 676,853.28 is: 1,015,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,025.79 : 2,909,867.22 = 676,853.28 : x
  2. Step 2: Convert to fraction form
    1,939,025.79/2,909,867.22 = 676,853.28/x
  3. Step 3: Cross multiply
    1,939,025.79x = 2,909,867.22 × 676,853.28
  4. Step 4: Simplify right side
    1,939,025.79x = 1,969,553,172,221.48
  5. Step 5: Solve for x
    x = 1,969,553,172,221.48/1,939,025.79
  6. Step 6: Final answer
    x = 1,015,743.67

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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.