Home / 662,739.51-914,606.42-376,286.25

Finding the Fourth Proportional to 662,739.51, 914,606.42 and 376,286.25

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Solution

The fourth proportional to 662,739.51, 914,606.42 and 376,286.25 is: 519,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,739.51 : 914,606.42 = 376,286.25 : x
  2. Step 2: Convert to fraction form
    662,739.51/914,606.42 = 376,286.25/x
  3. Step 3: Cross multiply
    662,739.51x = 914,606.42 × 376,286.25
  4. Step 4: Simplify right side
    662,739.51x = 344,153,818,126.29
  5. Step 5: Solve for x
    x = 344,153,818,126.29/662,739.51
  6. Step 6: Final answer
    x = 519,289.73

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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.