Home / 1,692,851.76-2,336,178.24-928,905.12

Finding the Fourth Proportional to 1,692,851.76, 2,336,178.24 and 928,905.12

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Solution

The fourth proportional to 1,692,851.76, 2,336,178.24 and 928,905.12 is: 1,281,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,851.76 : 2,336,178.24 = 928,905.12 : x
  2. Step 2: Convert to fraction form
    1,692,851.76/2,336,178.24 = 928,905.12/x
  3. Step 3: Cross multiply
    1,692,851.76x = 2,336,178.24 × 928,905.12
  4. Step 4: Simplify right side
    1,692,851.76x = 2,170,087,928,368.59
  5. Step 5: Solve for x
    x = 2,170,087,928,368.59/1,692,851.76
  6. Step 6: Final answer
    x = 1,281,912.56

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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.