Home / 819,202.16-1,228,618.88-293,890.16

Finding the Fourth Proportional to 819,202.16, 1,228,618.88 and 293,890.16

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Solution

The fourth proportional to 819,202.16, 1,228,618.88 and 293,890.16 is: 440,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,202.16 : 1,228,618.88 = 293,890.16 : x
  2. Step 2: Convert to fraction form
    819,202.16/1,228,618.88 = 293,890.16/x
  3. Step 3: Cross multiply
    819,202.16x = 1,228,618.88 × 293,890.16
  4. Step 4: Simplify right side
    819,202.16x = 361,078,999,222.22
  5. Step 5: Solve for x
    x = 361,078,999,222.22/819,202.16
  6. Step 6: Final answer
    x = 440,769.10

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1.5x scale

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.