Home / 941,805.90-1,299,694.95-512,087.70

Finding the Fourth Proportional to 941,805.90, 1,299,694.95 and 512,087.70

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Solution

The fourth proportional to 941,805.90, 1,299,694.95 and 512,087.70 is: 706,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,805.90 : 1,299,694.95 = 512,087.70 : x
  2. Step 2: Convert to fraction form
    941,805.90/1,299,694.95 = 512,087.70/x
  3. Step 3: Cross multiply
    941,805.90x = 1,299,694.95 × 512,087.70
  4. Step 4: Simplify right side
    941,805.90x = 665,557,797,647.12
  5. Step 5: Solve for x
    x = 665,557,797,647.12/941,805.90
  6. Step 6: Final answer
    x = 706,682.55

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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.