Home / 1,259,599.06-1,889,203.80-460,693.78

Finding the Fourth Proportional to 1,259,599.06, 1,889,203.80 and 460,693.78

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Solution

The fourth proportional to 1,259,599.06, 1,889,203.80 and 460,693.78 is: 690,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,599.06 : 1,889,203.80 = 460,693.78 : x
  2. Step 2: Convert to fraction form
    1,259,599.06/1,889,203.80 = 460,693.78/x
  3. Step 3: Cross multiply
    1,259,599.06x = 1,889,203.80 × 460,693.78
  4. Step 4: Simplify right side
    1,259,599.06x = 870,344,439,812.36
  5. Step 5: Solve for x
    x = 870,344,439,812.36/1,259,599.06
  6. Step 6: Final answer
    x = 690,969.43

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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.