Home / 1,639,921.04-2,458,827.82-681,038.06

Finding the Fourth Proportional to 1,639,921.04, 2,458,827.82 and 681,038.06

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Solution

The fourth proportional to 1,639,921.04, 2,458,827.82 and 681,038.06 is: 1,021,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,921.04 : 2,458,827.82 = 681,038.06 : x
  2. Step 2: Convert to fraction form
    1,639,921.04/2,458,827.82 = 681,038.06/x
  3. Step 3: Cross multiply
    1,639,921.04x = 2,458,827.82 × 681,038.06
  4. Step 4: Simplify right side
    1,639,921.04x = 1,674,555,328,406.83
  5. Step 5: Solve for x
    x = 1,674,555,328,406.83/1,639,921.04
  6. Step 6: Final answer
    x = 1,021,119.49

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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.