Home / 621,822.43-931,238.92-354,773.33

Finding the Fourth Proportional to 621,822.43, 931,238.92 and 354,773.33

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Solution

The fourth proportional to 621,822.43, 931,238.92 and 354,773.33 is: 531,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,822.43 : 931,238.92 = 354,773.33 : x
  2. Step 2: Convert to fraction form
    621,822.43/931,238.92 = 354,773.33/x
  3. Step 3: Cross multiply
    621,822.43x = 931,238.92 × 354,773.33
  4. Step 4: Simplify right side
    621,822.43x = 330,378,732,674.00
  5. Step 5: Solve for x
    x = 330,378,732,674.00/621,822.43
  6. Step 6: Final answer
    x = 531,307.20

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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.