Home / 1,285,162.80-1,927,744.20-986,564.40

Finding the Fourth Proportional to 1,285,162.80, 1,927,744.20 and 986,564.40

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Solution

The fourth proportional to 1,285,162.80, 1,927,744.20 and 986,564.40 is: 1,479,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,162.80 : 1,927,744.20 = 986,564.40 : x
  2. Step 2: Convert to fraction form
    1,285,162.80/1,927,744.20 = 986,564.40/x
  3. Step 3: Cross multiply
    1,285,162.80x = 1,927,744.20 × 986,564.40
  4. Step 4: Simplify right side
    1,285,162.80x = 1,901,843,800,026.48
  5. Step 5: Solve for x
    x = 1,901,843,800,026.48/1,285,162.80
  6. Step 6: Final answer
    x = 1,479,846.60

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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.