Home / 914,460.62-1,262,571.78-570,819.74

Finding the Fourth Proportional to 914,460.62, 1,262,571.78 and 570,819.74

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Solution

The fourth proportional to 914,460.62, 1,262,571.78 and 570,819.74 is: 788,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,460.62 : 1,262,571.78 = 570,819.74 : x
  2. Step 2: Convert to fraction form
    914,460.62/1,262,571.78 = 570,819.74/x
  3. Step 3: Cross multiply
    914,460.62x = 1,262,571.78 × 570,819.74
  4. Step 4: Simplify right side
    914,460.62x = 720,700,895,190.94
  5. Step 5: Solve for x
    x = 720,700,895,190.94/914,460.62
  6. Step 6: Final answer
    x = 788,115.84

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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.