Home / 1,306,285.54-1,959,501.24-407,851.36

Finding the Fourth Proportional to 1,306,285.54, 1,959,501.24 and 407,851.36

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Solution

The fourth proportional to 1,306,285.54, 1,959,501.24 and 407,851.36 is: 611,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,285.54 : 1,959,501.24 = 407,851.36 : x
  2. Step 2: Convert to fraction form
    1,306,285.54/1,959,501.24 = 407,851.36/x
  3. Step 3: Cross multiply
    1,306,285.54x = 1,959,501.24 × 407,851.36
  4. Step 4: Simplify right side
    1,306,285.54x = 799,185,245,655.69
  5. Step 5: Solve for x
    x = 799,185,245,655.69/1,306,285.54
  6. Step 6: Final answer
    x = 611,799.81

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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.