Home / 791,438.34-1,187,148.96-192,400.21

Finding the Fourth Proportional to 791,438.34, 1,187,148.96 and 192,400.21

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Solution

The fourth proportional to 791,438.34, 1,187,148.96 and 192,400.21 is: 288,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,438.34 : 1,187,148.96 = 192,400.21 : x
  2. Step 2: Convert to fraction form
    791,438.34/1,187,148.96 = 192,400.21/x
  3. Step 3: Cross multiply
    791,438.34x = 1,187,148.96 × 192,400.21
  4. Step 4: Simplify right side
    791,438.34x = 228,407,710,689.22
  5. Step 5: Solve for x
    x = 228,407,710,689.22/791,438.34
  6. Step 6: Final answer
    x = 288,598.24

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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.