Home / 864,977.49-1,193,664.19-477,819.55

Finding the Fourth Proportional to 864,977.49, 1,193,664.19 and 477,819.55

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Solution

The fourth proportional to 864,977.49, 1,193,664.19 and 477,819.55 is: 659,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,977.49 : 1,193,664.19 = 477,819.55 : x
  2. Step 2: Convert to fraction form
    864,977.49/1,193,664.19 = 477,819.55/x
  3. Step 3: Cross multiply
    864,977.49x = 1,193,664.19 × 477,819.55
  4. Step 4: Simplify right side
    864,977.49x = 570,356,086,116.91
  5. Step 5: Solve for x
    x = 570,356,086,116.91/864,977.49
  6. Step 6: Final answer
    x = 659,388.36

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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.