Home / 1,088,828.88-1,632,178.96-489,940.80

Finding the Fourth Proportional to 1,088,828.88, 1,632,178.96 and 489,940.80

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Solution

The fourth proportional to 1,088,828.88, 1,632,178.96 and 489,940.80 is: 734,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,828.88 : 1,632,178.96 = 489,940.80 : x
  2. Step 2: Convert to fraction form
    1,088,828.88/1,632,178.96 = 489,940.80/x
  3. Step 3: Cross multiply
    1,088,828.88x = 1,632,178.96 × 489,940.80
  4. Step 4: Simplify right side
    1,088,828.88x = 799,671,065,405.57
  5. Step 5: Solve for x
    x = 799,671,065,405.57/1,088,828.88
  6. Step 6: Final answer
    x = 734,432.27

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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.