Home / 531,580.73-797,831.78-279,039.74

Finding the Fourth Proportional to 531,580.73, 797,831.78 and 279,039.74

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Solution

The fourth proportional to 531,580.73, 797,831.78 and 279,039.74 is: 418,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,580.73 : 797,831.78 = 279,039.74 : x
  2. Step 2: Convert to fraction form
    531,580.73/797,831.78 = 279,039.74/x
  3. Step 3: Cross multiply
    531,580.73x = 797,831.78 × 279,039.74
  4. Step 4: Simplify right side
    531,580.73x = 222,626,767,070.58
  5. Step 5: Solve for x
    x = 222,626,767,070.58/531,580.73
  6. Step 6: Final answer
    x = 418,801.43

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1.5x scale

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.