Home / 801,553.05-1,106,892.54-515,569.59

Finding the Fourth Proportional to 801,553.05, 1,106,892.54 and 515,569.59

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Solution

The fourth proportional to 801,553.05, 1,106,892.54 and 515,569.59 is: 711,968.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,553.05 : 1,106,892.54 = 515,569.59 : x
  2. Step 2: Convert to fraction form
    801,553.05/1,106,892.54 = 515,569.59/x
  3. Step 3: Cross multiply
    801,553.05x = 1,106,892.54 × 515,569.59
  4. Step 4: Simplify right side
    801,553.05x = 570,680,133,021.86
  5. Step 5: Solve for x
    x = 570,680,133,021.86/801,553.05
  6. Step 6: Final answer
    x = 711,968.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.