Home / 791,365.55-1,187,031.31-192,330.05

Finding the Fourth Proportional to 791,365.55, 1,187,031.31 and 192,330.05

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Solution

The fourth proportional to 791,365.55, 1,187,031.31 and 192,330.05 is: 288,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,365.55 : 1,187,031.31 = 192,330.05 : x
  2. Step 2: Convert to fraction form
    791,365.55/1,187,031.31 = 192,330.05/x
  3. Step 3: Cross multiply
    791,365.55x = 1,187,031.31 × 192,330.05
  4. Step 4: Simplify right side
    791,365.55x = 228,301,784,787.88
  5. Step 5: Solve for x
    x = 228,301,784,787.88/791,365.55
  6. Step 6: Final answer
    x = 288,490.93

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1.5x scale

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.