Home / 621,935.96-858,263.92-350,004.36

Finding the Fourth Proportional to 621,935.96, 858,263.92 and 350,004.36

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Solution

The fourth proportional to 621,935.96, 858,263.92 and 350,004.36 is: 483,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,935.96 : 858,263.92 = 350,004.36 : x
  2. Step 2: Convert to fraction form
    621,935.96/858,263.92 = 350,004.36/x
  3. Step 3: Cross multiply
    621,935.96x = 858,263.92 × 350,004.36
  4. Step 4: Simplify right side
    621,935.96x = 300,396,114,030.69
  5. Step 5: Solve for x
    x = 300,396,114,030.69/621,935.96
  6. Step 6: Final answer
    x = 483,001.68

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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.