Home / 621,001.65-857,073.03-349,091.94

Finding the Fourth Proportional to 621,001.65, 857,073.03 and 349,091.94

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Solution

The fourth proportional to 621,001.65, 857,073.03 and 349,091.94 is: 481,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,001.65 : 857,073.03 = 349,091.94 : x
  2. Step 2: Convert to fraction form
    621,001.65/857,073.03 = 349,091.94/x
  3. Step 3: Cross multiply
    621,001.65x = 857,073.03 × 349,091.94
  4. Step 4: Simplify right side
    621,001.65x = 299,197,286,764.38
  5. Step 5: Solve for x
    x = 299,197,286,764.38/621,001.65
  6. Step 6: Final answer
    x = 481,797.89

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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.