Home / 583,677.20-805,486.85-329,028.38

Finding the Fourth Proportional to 583,677.20, 805,486.85 and 329,028.38

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Solution

The fourth proportional to 583,677.20, 805,486.85 and 329,028.38 is: 454,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,677.20 : 805,486.85 = 329,028.38 : x
  2. Step 2: Convert to fraction form
    583,677.20/805,486.85 = 329,028.38/x
  3. Step 3: Cross multiply
    583,677.20x = 805,486.85 × 329,028.38
  4. Step 4: Simplify right side
    583,677.20x = 265,028,027,694.23
  5. Step 5: Solve for x
    x = 265,028,027,694.23/583,677.20
  6. Step 6: Final answer
    x = 454,066.10

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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.