Home / 1,692,344.66-2,335,395.56-928,391.54

Finding the Fourth Proportional to 1,692,344.66, 2,335,395.56 and 928,391.54

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Solution

The fourth proportional to 1,692,344.66, 2,335,395.56 and 928,391.54 is: 1,281,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,344.66 : 2,335,395.56 = 928,391.54 : x
  2. Step 2: Convert to fraction form
    1,692,344.66/2,335,395.56 = 928,391.54/x
  3. Step 3: Cross multiply
    1,692,344.66x = 2,335,395.56 × 928,391.54
  4. Step 4: Simplify right side
    1,692,344.66x = 2,168,161,464,138.63
  5. Step 5: Solve for x
    x = 2,168,161,464,138.63/1,692,344.66
  6. Step 6: Final answer
    x = 1,281,158.34

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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.