Home / 816,796.95-1,127,014.62-477,199.59

Finding the Fourth Proportional to 816,796.95, 1,127,014.62 and 477,199.59

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Solution

The fourth proportional to 816,796.95, 1,127,014.62 and 477,199.59 is: 658,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,796.95 : 1,127,014.62 = 477,199.59 : x
  2. Step 2: Convert to fraction form
    816,796.95/1,127,014.62 = 477,199.59/x
  3. Step 3: Cross multiply
    816,796.95x = 1,127,014.62 × 477,199.59
  4. Step 4: Simplify right side
    816,796.95x = 537,810,914,588.01
  5. Step 5: Solve for x
    x = 537,810,914,588.01/816,796.95
  6. Step 6: Final answer
    x = 658,438.94

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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.