Home / 683,869.30-1,025,803.95-185,233.30

Finding the Fourth Proportional to 683,869.30, 1,025,803.95 and 185,233.30

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Solution

The fourth proportional to 683,869.30, 1,025,803.95 and 185,233.30 is: 277,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,869.30 : 1,025,803.95 = 185,233.30 : x
  2. Step 2: Convert to fraction form
    683,869.30/1,025,803.95 = 185,233.30/x
  3. Step 3: Cross multiply
    683,869.30x = 1,025,803.95 × 185,233.30
  4. Step 4: Simplify right side
    683,869.30x = 190,013,050,811.54
  5. Step 5: Solve for x
    x = 190,013,050,811.54/683,869.30
  6. Step 6: Final answer
    x = 277,849.95

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Double scale
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Similar ratio
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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.