Home / 859,189.50-1,185,681.60-477,251.82

Finding the Fourth Proportional to 859,189.50, 1,185,681.60 and 477,251.82

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Solution

The fourth proportional to 859,189.50, 1,185,681.60 and 477,251.82 is: 658,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,189.50 : 1,185,681.60 = 477,251.82 : x
  2. Step 2: Convert to fraction form
    859,189.50/1,185,681.60 = 477,251.82/x
  3. Step 3: Cross multiply
    859,189.50x = 1,185,681.60 × 477,251.82
  4. Step 4: Simplify right side
    859,189.50x = 565,868,701,540.51
  5. Step 5: Solve for x
    x = 565,868,701,540.51/859,189.50
  6. Step 6: Final answer
    x = 658,607.56

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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.