Home / 677,653.29-935,027.55-401,960.07

Finding the Fourth Proportional to 677,653.29, 935,027.55 and 401,960.07

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Solution

The fourth proportional to 677,653.29, 935,027.55 and 401,960.07 is: 554,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,653.29 : 935,027.55 = 401,960.07 : x
  2. Step 2: Convert to fraction form
    677,653.29/935,027.55 = 401,960.07/x
  3. Step 3: Cross multiply
    677,653.29x = 935,027.55 × 401,960.07
  4. Step 4: Simplify right side
    677,653.29x = 375,843,739,449.93
  5. Step 5: Solve for x
    x = 375,843,739,449.93/677,653.29
  6. Step 6: Final answer
    x = 554,625.42

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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.