Home / 808,529.60-1,213,669.20-454,235.60

Finding the Fourth Proportional to 808,529.60, 1,213,669.20 and 454,235.60

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Solution

The fourth proportional to 808,529.60, 1,213,669.20 and 454,235.60 is: 681,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,529.60 : 1,213,669.20 = 454,235.60 : x
  2. Step 2: Convert to fraction form
    808,529.60/1,213,669.20 = 454,235.60/x
  3. Step 3: Cross multiply
    808,529.60x = 1,213,669.20 × 454,235.60
  4. Step 4: Simplify right side
    808,529.60x = 551,291,757,263.52
  5. Step 5: Solve for x
    x = 551,291,757,263.52/808,529.60
  6. Step 6: Final answer
    x = 681,844.87

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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.