Home / 521,233.63-719,262.67-291,738.35

Finding the Fourth Proportional to 521,233.63, 719,262.67 and 291,738.35

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Solution

The fourth proportional to 521,233.63, 719,262.67 and 291,738.35 is: 402,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,233.63 : 719,262.67 = 291,738.35 : x
  2. Step 2: Convert to fraction form
    521,233.63/719,262.67 = 291,738.35/x
  3. Step 3: Cross multiply
    521,233.63x = 719,262.67 × 291,738.35
  4. Step 4: Simplify right side
    521,233.63x = 209,836,504,562.40
  5. Step 5: Solve for x
    x = 209,836,504,562.40/521,233.63
  6. Step 6: Final answer
    x = 402,576.68

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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.