Home / 900,636.12-1,351,048.46-293,471.60

Finding the Fourth Proportional to 900,636.12, 1,351,048.46 and 293,471.60

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Solution

The fourth proportional to 900,636.12, 1,351,048.46 and 293,471.60 is: 440,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,636.12 : 1,351,048.46 = 293,471.60 : x
  2. Step 2: Convert to fraction form
    900,636.12/1,351,048.46 = 293,471.60/x
  3. Step 3: Cross multiply
    900,636.12x = 1,351,048.46 × 293,471.60
  4. Step 4: Simplify right side
    900,636.12x = 396,494,353,233.74
  5. Step 5: Solve for x
    x = 396,494,353,233.74/900,636.12
  6. Step 6: Final answer
    x = 440,238.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.