Home / 623,810.20-936,152.70-269,078.80

Finding the Fourth Proportional to 623,810.20, 936,152.70 and 269,078.80

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Solution

The fourth proportional to 623,810.20, 936,152.70 and 269,078.80 is: 403,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,810.20 : 936,152.70 = 269,078.80 : x
  2. Step 2: Convert to fraction form
    623,810.20/936,152.70 = 269,078.80/x
  3. Step 3: Cross multiply
    623,810.20x = 936,152.70 × 269,078.80
  4. Step 4: Simplify right side
    623,810.20x = 251,898,845,132.76
  5. Step 5: Solve for x
    x = 251,898,845,132.76/623,810.20
  6. Step 6: Final answer
    x = 403,806.87

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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.