Home / 1,219,928.54-1,683,505.23-676,073.48

Finding the Fourth Proportional to 1,219,928.54, 1,683,505.23 and 676,073.48

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Solution

The fourth proportional to 1,219,928.54, 1,683,505.23 and 676,073.48 is: 932,983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,928.54 : 1,683,505.23 = 676,073.48 : x
  2. Step 2: Convert to fraction form
    1,219,928.54/1,683,505.23 = 676,073.48/x
  3. Step 3: Cross multiply
    1,219,928.54x = 1,683,505.23 × 676,073.48
  4. Step 4: Simplify right side
    1,219,928.54x = 1,138,173,239,444.30
  5. Step 5: Solve for x
    x = 1,138,173,239,444.30/1,219,928.54
  6. Step 6: Final answer
    x = 932,983.53

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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.