Home / 1,373,503.11-1,895,203.29-915,301.72

Finding the Fourth Proportional to 1,373,503.11, 1,895,203.29 and 915,301.72

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Solution

The fourth proportional to 1,373,503.11, 1,895,203.29 and 915,301.72 is: 1,262,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,503.11 : 1,895,203.29 = 915,301.72 : x
  2. Step 2: Convert to fraction form
    1,373,503.11/1,895,203.29 = 915,301.72/x
  3. Step 3: Cross multiply
    1,373,503.11x = 1,895,203.29 × 915,301.72
  4. Step 4: Simplify right side
    1,373,503.11x = 1,734,682,831,086.66
  5. Step 5: Solve for x
    x = 1,734,682,831,086.66/1,373,503.11
  6. Step 6: Final answer
    x = 1,262,962.43

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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.