Home / 1,107,147.75-1,527,869.25-623,720.51

Finding the Fourth Proportional to 1,107,147.75, 1,527,869.25 and 623,720.51

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Solution

The fourth proportional to 1,107,147.75, 1,527,869.25 and 623,720.51 is: 860,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,147.75 : 1,527,869.25 = 623,720.51 : x
  2. Step 2: Convert to fraction form
    1,107,147.75/1,527,869.25 = 623,720.51/x
  3. Step 3: Cross multiply
    1,107,147.75x = 1,527,869.25 × 623,720.51
  4. Step 4: Simplify right side
    1,107,147.75x = 952,963,384,704.72
  5. Step 5: Solve for x
    x = 952,963,384,704.72/1,107,147.75
  6. Step 6: Final answer
    x = 860,737.32

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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.