Home / 1,025,986.95-1,416,769.85-639,462.04

Finding the Fourth Proportional to 1,025,986.95, 1,416,769.85 and 639,462.04

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Solution

The fourth proportional to 1,025,986.95, 1,416,769.85 and 639,462.04 is: 883,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,986.95 : 1,416,769.85 = 639,462.04 : x
  2. Step 2: Convert to fraction form
    1,025,986.95/1,416,769.85 = 639,462.04/x
  3. Step 3: Cross multiply
    1,025,986.95x = 1,416,769.85 × 639,462.04
  4. Step 4: Simplify right side
    1,025,986.95x = 905,970,538,491.49
  5. Step 5: Solve for x
    x = 905,970,538,491.49/1,025,986.95
  6. Step 6: Final answer
    x = 883,023.45

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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.