Home / 1,122,371.86-1,683,806.56-323,591.08

Finding the Fourth Proportional to 1,122,371.86, 1,683,806.56 and 323,591.08

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Solution

The fourth proportional to 1,122,371.86, 1,683,806.56 and 323,591.08 is: 485,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,371.86 : 1,683,806.56 = 323,591.08 : x
  2. Step 2: Convert to fraction form
    1,122,371.86/1,683,806.56 = 323,591.08/x
  3. Step 3: Cross multiply
    1,122,371.86x = 1,683,806.56 × 323,591.08
  4. Step 4: Simplify right side
    1,122,371.86x = 544,864,783,261.49
  5. Step 5: Solve for x
    x = 544,864,783,261.49/1,122,371.86
  6. Step 6: Final answer
    x = 485,458.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.