Home / 497,831.60-746,747.40-308,442.80

Finding the Fourth Proportional to 497,831.60, 746,747.40 and 308,442.80

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Solution

The fourth proportional to 497,831.60, 746,747.40 and 308,442.80 is: 462,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,831.60 : 746,747.40 = 308,442.80 : x
  2. Step 2: Convert to fraction form
    497,831.60/746,747.40 = 308,442.80/x
  3. Step 3: Cross multiply
    497,831.60x = 746,747.40 × 308,442.80
  4. Step 4: Simplify right side
    497,831.60x = 230,328,858,948.72
  5. Step 5: Solve for x
    x = 230,328,858,948.72/497,831.60
  6. Step 6: Final answer
    x = 462,664.20

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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.