Home / 818,943.73-1,130,150.61-451,433.95

Finding the Fourth Proportional to 818,943.73, 1,130,150.61 and 451,433.95

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Solution

The fourth proportional to 818,943.73, 1,130,150.61 and 451,433.95 is: 622,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,943.73 : 1,130,150.61 = 451,433.95 : x
  2. Step 2: Convert to fraction form
    818,943.73/1,130,150.61 = 451,433.95/x
  3. Step 3: Cross multiply
    818,943.73x = 1,130,150.61 × 451,433.95
  4. Step 4: Simplify right side
    818,943.73x = 510,188,351,141.83
  5. Step 5: Solve for x
    x = 510,188,351,141.83/818,943.73
  6. Step 6: Final answer
    x = 622,983.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.