Home / 988,629.56-1,482,944.34-314,707.94

Finding the Fourth Proportional to 988,629.56, 1,482,944.34 and 314,707.94

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Solution

The fourth proportional to 988,629.56, 1,482,944.34 and 314,707.94 is: 472,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,629.56 : 1,482,944.34 = 314,707.94 : x
  2. Step 2: Convert to fraction form
    988,629.56/1,482,944.34 = 314,707.94/x
  3. Step 3: Cross multiply
    988,629.56x = 1,482,944.34 × 314,707.94
  4. Step 4: Simplify right side
    988,629.56x = 466,694,358,376.06
  5. Step 5: Solve for x
    x = 466,694,358,376.06/988,629.56
  6. Step 6: Final answer
    x = 472,061.91

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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.