Home / 1,228,713.78-1,843,900.56-430,002.30

Finding the Fourth Proportional to 1,228,713.78, 1,843,900.56 and 430,002.30

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Solution

The fourth proportional to 1,228,713.78, 1,843,900.56 and 430,002.30 is: 645,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,713.78 : 1,843,900.56 = 430,002.30 : x
  2. Step 2: Convert to fraction form
    1,228,713.78/1,843,900.56 = 430,002.30/x
  3. Step 3: Cross multiply
    1,228,713.78x = 1,843,900.56 × 430,002.30
  4. Step 4: Simplify right side
    1,228,713.78x = 792,881,481,771.29
  5. Step 5: Solve for x
    x = 792,881,481,771.29/1,228,713.78
  6. Step 6: Final answer
    x = 645,293.88

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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.