Home / 1,622,720.65-2,239,204.21-897,552.76

Finding the Fourth Proportional to 1,622,720.65, 2,239,204.21 and 897,552.76

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Solution

The fourth proportional to 1,622,720.65, 2,239,204.21 and 897,552.76 is: 1,238,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,720.65 : 2,239,204.21 = 897,552.76 : x
  2. Step 2: Convert to fraction form
    1,622,720.65/2,239,204.21 = 897,552.76/x
  3. Step 3: Cross multiply
    1,622,720.65x = 2,239,204.21 × 897,552.76
  4. Step 4: Simplify right side
    1,622,720.65x = 2,009,803,918,889.12
  5. Step 5: Solve for x
    x = 2,009,803,918,889.12/1,622,720.65
  6. Step 6: Final answer
    x = 1,238,539.68

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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.