Home / 1,251,478.44-1,727,044.02-678,518.87

Finding the Fourth Proportional to 1,251,478.44, 1,727,044.02 and 678,518.87

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Solution

The fourth proportional to 1,251,478.44, 1,727,044.02 and 678,518.87 is: 936,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,478.44 : 1,727,044.02 = 678,518.87 : x
  2. Step 2: Convert to fraction form
    1,251,478.44/1,727,044.02 = 678,518.87/x
  3. Step 3: Cross multiply
    1,251,478.44x = 1,727,044.02 × 678,518.87
  4. Step 4: Simplify right side
    1,251,478.44x = 1,171,831,948,255.44
  5. Step 5: Solve for x
    x = 1,171,831,948,255.44/1,251,478.44
  6. Step 6: Final answer
    x = 936,358.08

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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.