Home / 1,766,611.89-2,649,861.32-742,484.75

Finding the Fourth Proportional to 1,766,611.89, 2,649,861.32 and 742,484.75

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Solution

The fourth proportional to 1,766,611.89, 2,649,861.32 and 742,484.75 is: 1,113,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,611.89 : 2,649,861.32 = 742,484.75 : x
  2. Step 2: Convert to fraction form
    1,766,611.89/2,649,861.32 = 742,484.75/x
  3. Step 3: Cross multiply
    1,766,611.89x = 2,649,861.32 × 742,484.75
  4. Step 4: Simplify right side
    1,766,611.89x = 1,967,481,602,753.14
  5. Step 5: Solve for x
    x = 1,967,481,602,753.14/1,766,611.89
  6. Step 6: Final answer
    x = 1,113,703.36

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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.