Home / 1,195,540.72-1,649,836.28-651,666.60

Finding the Fourth Proportional to 1,195,540.72, 1,649,836.28 and 651,666.60

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Solution

The fourth proportional to 1,195,540.72, 1,649,836.28 and 651,666.60 is: 899,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,540.72 : 1,649,836.28 = 651,666.60 : x
  2. Step 2: Convert to fraction form
    1,195,540.72/1,649,836.28 = 651,666.60/x
  3. Step 3: Cross multiply
    1,195,540.72x = 1,649,836.28 × 651,666.60
  4. Step 4: Simplify right side
    1,195,540.72x = 1,075,143,199,144.25
  5. Step 5: Solve for x
    x = 1,075,143,199,144.25/1,195,540.72
  6. Step 6: Final answer
    x = 899,294.50

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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.