Home / 791,738.40-1,187,590.98-192,702.90

Finding the Fourth Proportional to 791,738.40, 1,187,590.98 and 192,702.90

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Solution

The fourth proportional to 791,738.40, 1,187,590.98 and 192,702.90 is: 289,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,738.40 : 1,187,590.98 = 192,702.90 : x
  2. Step 2: Convert to fraction form
    791,738.40/1,187,590.98 = 192,702.90/x
  3. Step 3: Cross multiply
    791,738.40x = 1,187,590.98 × 192,702.90
  4. Step 4: Simplify right side
    791,738.40x = 228,852,225,859.84
  5. Step 5: Solve for x
    x = 228,852,225,859.84/791,738.40
  6. Step 6: Final answer
    x = 289,050.30

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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.