Home / 1,917,383.85-2,877,081.80-720,132.57

Finding the Fourth Proportional to 1,917,383.85, 2,877,081.80 and 720,132.57

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Solution

The fourth proportional to 1,917,383.85, 2,877,081.80 and 720,132.57 is: 1,080,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,383.85 : 2,877,081.80 = 720,132.57 : x
  2. Step 2: Convert to fraction form
    1,917,383.85/2,877,081.80 = 720,132.57/x
  3. Step 3: Cross multiply
    1,917,383.85x = 2,877,081.80 × 720,132.57
  4. Step 4: Simplify right side
    1,917,383.85x = 2,071,880,307,133.56
  5. Step 5: Solve for x
    x = 2,071,880,307,133.56/1,917,383.85
  6. Step 6: Final answer
    x = 1,080,576.70

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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.