Home / 1,692,158.26-2,335,178.52-928,213.78

Finding the Fourth Proportional to 1,692,158.26, 2,335,178.52 and 928,213.78

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Solution

The fourth proportional to 1,692,158.26, 2,335,178.52 and 928,213.78 is: 1,280,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,158.26 : 2,335,178.52 = 928,213.78 : x
  2. Step 2: Convert to fraction form
    1,692,158.26/2,335,178.52 = 928,213.78/x
  3. Step 3: Cross multiply
    1,692,158.26x = 2,335,178.52 × 928,213.78
  4. Step 4: Simplify right side
    1,692,158.26x = 2,167,544,881,024.01
  5. Step 5: Solve for x
    x = 2,167,544,881,024.01/1,692,158.26
  6. Step 6: Final answer
    x = 1,280,935.08

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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.