Home / 859,364.72-1,185,883.04-477,414.80

Finding the Fourth Proportional to 859,364.72, 1,185,883.04 and 477,414.80

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Solution

The fourth proportional to 859,364.72, 1,185,883.04 and 477,414.80 is: 658,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,364.72 : 1,185,883.04 = 477,414.80 : x
  2. Step 2: Convert to fraction form
    859,364.72/1,185,883.04 = 477,414.80/x
  3. Step 3: Cross multiply
    859,364.72x = 1,185,883.04 × 477,414.80
  4. Step 4: Simplify right side
    859,364.72x = 566,158,114,364.99
  5. Step 5: Solve for x
    x = 566,158,114,364.99/859,364.72
  6. Step 6: Final answer
    x = 658,810.05

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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.