Home / 443,342.19-611,812.93-252,355.60

Finding the Fourth Proportional to 443,342.19, 611,812.93 and 252,355.60

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Solution

The fourth proportional to 443,342.19, 611,812.93 and 252,355.60 is: 348,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,342.19 : 611,812.93 = 252,355.60 : x
  2. Step 2: Convert to fraction form
    443,342.19/611,812.93 = 252,355.60/x
  3. Step 3: Cross multiply
    443,342.19x = 611,812.93 × 252,355.60
  4. Step 4: Simplify right side
    443,342.19x = 154,394,415,978.84
  5. Step 5: Solve for x
    x = 154,394,415,978.84/443,342.19
  6. Step 6: Final answer
    x = 348,251.12

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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.