Home / 521,258.82-719,332.31-294,904.32

Finding the Fourth Proportional to 521,258.82, 719,332.31 and 294,904.32

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Solution

The fourth proportional to 521,258.82, 719,332.31 and 294,904.32 is: 406,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,258.82 : 719,332.31 = 294,904.32 : x
  2. Step 2: Convert to fraction form
    521,258.82/719,332.31 = 294,904.32/x
  3. Step 3: Cross multiply
    521,258.82x = 719,332.31 × 294,904.32
  4. Step 4: Simplify right side
    521,258.82x = 212,134,204,260.06
  5. Step 5: Solve for x
    x = 212,134,204,260.06/521,258.82
  6. Step 6: Final answer
    x = 406,965.21

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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.