Home / 521,712.16-719,962.76-295,357.66

Finding the Fourth Proportional to 521,712.16, 719,962.76 and 295,357.66

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Solution

The fourth proportional to 521,712.16, 719,962.76 and 295,357.66 is: 407,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,712.16 : 719,962.76 = 295,357.66 : x
  2. Step 2: Convert to fraction form
    521,712.16/719,962.76 = 295,357.66/x
  3. Step 3: Cross multiply
    521,712.16x = 719,962.76 × 295,357.66
  4. Step 4: Simplify right side
    521,712.16x = 212,646,515,019.23
  5. Step 5: Solve for x
    x = 212,646,515,019.23/521,712.16
  6. Step 6: Final answer
    x = 407,593.56

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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.