Home / 527,669.73-791,493.65-128,312.60

Finding the Fourth Proportional to 527,669.73, 791,493.65 and 128,312.60

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Solution

The fourth proportional to 527,669.73, 791,493.65 and 128,312.60 is: 192,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,669.73 : 791,493.65 = 128,312.60 : x
  2. Step 2: Convert to fraction form
    527,669.73/791,493.65 = 128,312.60/x
  3. Step 3: Cross multiply
    527,669.73x = 791,493.65 × 128,312.60
  4. Step 4: Simplify right side
    527,669.73x = 101,558,603,515.96
  5. Step 5: Solve for x
    x = 101,558,603,515.96/527,669.73
  6. Step 6: Final answer
    x = 192,466.23

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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.