Home / 727,497.20-1,090,234.32-632,532.80

Finding the Fourth Proportional to 727,497.20, 1,090,234.32 and 632,532.80

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Solution

The fourth proportional to 727,497.20, 1,090,234.32 and 632,532.80 is: 947,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,497.20 : 1,090,234.32 = 632,532.80 : x
  2. Step 2: Convert to fraction form
    727,497.20/1,090,234.32 = 632,532.80/x
  3. Step 3: Cross multiply
    727,497.20x = 1,090,234.32 × 632,532.80
  4. Step 4: Simplify right side
    727,497.20x = 689,608,967,085.70
  5. Step 5: Solve for x
    x = 689,608,967,085.70/727,497.20
  6. Step 6: Final answer
    x = 947,919.75

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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.