Home / 790,489.95-1,185,737.74-191,451.52

Finding the Fourth Proportional to 790,489.95, 1,185,737.74 and 191,451.52

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Solution

The fourth proportional to 790,489.95, 1,185,737.74 and 191,451.52 is: 287,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,489.95 : 1,185,737.74 = 191,451.52 : x
  2. Step 2: Convert to fraction form
    790,489.95/1,185,737.74 = 191,451.52/x
  3. Step 3: Cross multiply
    790,489.95x = 1,185,737.74 × 191,451.52
  4. Step 4: Simplify right side
    790,489.95x = 227,011,285,758.42
  5. Step 5: Solve for x
    x = 227,011,285,758.42/790,489.95
  6. Step 6: Final answer
    x = 287,177.95

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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.