Home / 1,766,119.88-2,649,574.88-644,188.88

Finding the Fourth Proportional to 1,766,119.88, 2,649,574.88 and 644,188.88

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Solution

The fourth proportional to 1,766,119.88, 2,649,574.88 and 644,188.88 is: 966,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,119.88 : 2,649,574.88 = 644,188.88 : x
  2. Step 2: Convert to fraction form
    1,766,119.88/2,649,574.88 = 644,188.88/x
  3. Step 3: Cross multiply
    1,766,119.88x = 2,649,574.88 × 644,188.88
  4. Step 4: Simplify right side
    1,766,119.88x = 1,706,826,674,423.33
  5. Step 5: Solve for x
    x = 1,706,826,674,423.33/1,766,119.88
  6. Step 6: Final answer
    x = 966,427.42

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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.