Home / 677,654.29-935,028.93-401,961.07

Finding the Fourth Proportional to 677,654.29, 935,028.93 and 401,961.07

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Solution

The fourth proportional to 677,654.29, 935,028.93 and 401,961.07 is: 554,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,654.29 : 935,028.93 = 401,961.07 : x
  2. Step 2: Convert to fraction form
    677,654.29/935,028.93 = 401,961.07/x
  3. Step 3: Cross multiply
    677,654.29x = 935,028.93 × 401,961.07
  4. Step 4: Simplify right side
    677,654.29x = 375,845,229,183.76
  5. Step 5: Solve for x
    x = 375,845,229,183.76/677,654.29
  6. Step 6: Final answer
    x = 554,626.80

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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.