Home / 1,462,216.96-2,017,848-817,638.40

Finding the Fourth Proportional to 1,462,216.96, 2,017,848 and 817,638.40

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Solution

The fourth proportional to 1,462,216.96, 2,017,848 and 817,638.40 is: 1,128,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,216.96 : 2,017,848 = 817,638.40 : x
  2. Step 2: Convert to fraction form
    1,462,216.96/2,017,848 = 817,638.40/x
  3. Step 3: Cross multiply
    1,462,216.96x = 2,017,848 × 817,638.40
  4. Step 4: Simplify right side
    1,462,216.96x = 1,649,870,010,163.20
  5. Step 5: Solve for x
    x = 1,649,870,010,163.20/1,462,216.96
  6. Step 6: Final answer
    x = 1,128,334.61

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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.