Home / 1,195,187.70-1,649,311.05-651,311.90

Finding the Fourth Proportional to 1,195,187.70, 1,649,311.05 and 651,311.90

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Solution

The fourth proportional to 1,195,187.70, 1,649,311.05 and 651,311.90 is: 898,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,187.70 : 1,649,311.05 = 651,311.90 : x
  2. Step 2: Convert to fraction form
    1,195,187.70/1,649,311.05 = 651,311.90/x
  3. Step 3: Cross multiply
    1,195,187.70x = 1,649,311.05 × 651,311.90
  4. Step 4: Simplify right side
    1,195,187.70x = 1,074,215,919,661.02
  5. Step 5: Solve for x
    x = 1,074,215,919,661.02/1,195,187.70
  6. Step 6: Final answer
    x = 898,784.28

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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.