Home / 521,236.42-719,300.75-291,795.59

Finding the Fourth Proportional to 521,236.42, 719,300.75 and 291,795.59

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Solution

The fourth proportional to 521,236.42, 719,300.75 and 291,795.59 is: 402,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,236.42 : 719,300.75 = 291,795.59 : x
  2. Step 2: Convert to fraction form
    521,236.42/719,300.75 = 291,795.59/x
  3. Step 3: Cross multiply
    521,236.42x = 719,300.75 × 291,795.59
  4. Step 4: Simplify right side
    521,236.42x = 209,888,783,866.68
  5. Step 5: Solve for x
    x = 209,888,783,866.68/521,236.42
  6. Step 6: Final answer
    x = 402,674.83

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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.