Home / 671,658.87-1,007,621.27-191,890.76

Finding the Fourth Proportional to 671,658.87, 1,007,621.27 and 191,890.76

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Solution

The fourth proportional to 671,658.87, 1,007,621.27 and 191,890.76 is: 287,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,658.87 : 1,007,621.27 = 191,890.76 : x
  2. Step 2: Convert to fraction form
    671,658.87/1,007,621.27 = 191,890.76/x
  3. Step 3: Cross multiply
    671,658.87x = 1,007,621.27 × 191,890.76
  4. Step 4: Simplify right side
    671,658.87x = 193,353,211,292.47
  5. Step 5: Solve for x
    x = 193,353,211,292.47/671,658.87
  6. Step 6: Final answer
    x = 287,874.13

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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.