Home / 1,455,301.95-1,993,770.81-1,400,757.47

Finding the Fourth Proportional to 1,455,301.95, 1,993,770.81 and 1,400,757.47

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Solution

The fourth proportional to 1,455,301.95, 1,993,770.81 and 1,400,757.47 is: 1,919,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,301.95 : 1,993,770.81 = 1,400,757.47 : x
  2. Step 2: Convert to fraction form
    1,455,301.95/1,993,770.81 = 1,400,757.47/x
  3. Step 3: Cross multiply
    1,455,301.95x = 1,993,770.81 × 1,400,757.47
  4. Step 4: Simplify right side
    1,455,301.95x = 2,792,789,345,606.60
  5. Step 5: Solve for x
    x = 2,792,789,345,606.60/1,455,301.95
  6. Step 6: Final answer
    x = 1,919,044.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.