Home / 1,825,970.50-2,738,420.25-687,911.50

Finding the Fourth Proportional to 1,825,970.50, 2,738,420.25 and 687,911.50

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Solution

The fourth proportional to 1,825,970.50, 2,738,420.25 and 687,911.50 is: 1,031,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,970.50 : 2,738,420.25 = 687,911.50 : x
  2. Step 2: Convert to fraction form
    1,825,970.50/2,738,420.25 = 687,911.50/x
  3. Step 3: Cross multiply
    1,825,970.50x = 2,738,420.25 × 687,911.50
  4. Step 4: Simplify right side
    1,825,970.50x = 1,883,790,781,807.88
  5. Step 5: Solve for x
    x = 1,883,790,781,807.88/1,825,970.50
  6. Step 6: Final answer
    x = 1,031,665.51

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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.