Home / 662,738.01-914,604.35-376,284.75

Finding the Fourth Proportional to 662,738.01, 914,604.35 and 376,284.75

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Solution

The fourth proportional to 662,738.01, 914,604.35 and 376,284.75 is: 519,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,738.01 : 914,604.35 = 376,284.75 : x
  2. Step 2: Convert to fraction form
    662,738.01/914,604.35 = 376,284.75/x
  3. Step 3: Cross multiply
    662,738.01x = 914,604.35 × 376,284.75
  4. Step 4: Simplify right side
    662,738.01x = 344,151,667,307.24
  5. Step 5: Solve for x
    x = 344,151,667,307.24/662,738.01
  6. Step 6: Final answer
    x = 519,287.66

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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.