Home / 1,424,939.39-1,966,378.26-813,081.03

Finding the Fourth Proportional to 1,424,939.39, 1,966,378.26 and 813,081.03

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Solution

The fourth proportional to 1,424,939.39, 1,966,378.26 and 813,081.03 is: 1,122,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,939.39 : 1,966,378.26 = 813,081.03 : x
  2. Step 2: Convert to fraction form
    1,424,939.39/1,966,378.26 = 813,081.03/x
  3. Step 3: Cross multiply
    1,424,939.39x = 1,966,378.26 × 813,081.03
  4. Step 4: Simplify right side
    1,424,939.39x = 1,598,824,861,010.41
  5. Step 5: Solve for x
    x = 1,598,824,861,010.41/1,424,939.39
  6. Step 6: Final answer
    x = 1,122,030.08

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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.