Home / 626,637.40-940,247.70-327,455.80

Finding the Fourth Proportional to 626,637.40, 940,247.70 and 327,455.80

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Solution

The fourth proportional to 626,637.40, 940,247.70 and 327,455.80 is: 491,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,637.40 : 940,247.70 = 327,455.80 : x
  2. Step 2: Convert to fraction form
    626,637.40/940,247.70 = 327,455.80/x
  3. Step 3: Cross multiply
    626,637.40x = 940,247.70 × 327,455.80
  4. Step 4: Simplify right side
    626,637.40x = 307,889,562,801.66
  5. Step 5: Solve for x
    x = 307,889,562,801.66/626,637.40
  6. Step 6: Final answer
    x = 491,336.08

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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.