Home / 1,299,423.06-1,947,825.72-541,683.72

Finding the Fourth Proportional to 1,299,423.06, 1,947,825.72 and 541,683.72

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Solution

The fourth proportional to 1,299,423.06, 1,947,825.72 and 541,683.72 is: 811,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,423.06 : 1,947,825.72 = 541,683.72 : x
  2. Step 2: Convert to fraction form
    1,299,423.06/1,947,825.72 = 541,683.72/x
  3. Step 3: Cross multiply
    1,299,423.06x = 1,947,825.72 × 541,683.72
  4. Step 4: Simplify right side
    1,299,423.06x = 1,055,105,481,921.28
  5. Step 5: Solve for x
    x = 1,055,105,481,921.28/1,299,423.06
  6. Step 6: Final answer
    x = 811,979.96

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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.