Home / 823,904.40-1,233,437.40-614,470.80

Finding the Fourth Proportional to 823,904.40, 1,233,437.40 and 614,470.80

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Solution

The fourth proportional to 823,904.40, 1,233,437.40 and 614,470.80 is: 919,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,904.40 : 1,233,437.40 = 614,470.80 : x
  2. Step 2: Convert to fraction form
    823,904.40/1,233,437.40 = 614,470.80/x
  3. Step 3: Cross multiply
    823,904.40x = 1,233,437.40 × 614,470.80
  4. Step 4: Simplify right side
    823,904.40x = 757,911,265,927.92
  5. Step 5: Solve for x
    x = 757,911,265,927.92/823,904.40
  6. Step 6: Final answer
    x = 919,901.95

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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.