Home / 654,610.45-903,283.09-364,153.39

Finding the Fourth Proportional to 654,610.45, 903,283.09 and 364,153.39

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Solution

The fourth proportional to 654,610.45, 903,283.09 and 364,153.39 is: 502,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,610.45 : 903,283.09 = 364,153.39 : x
  2. Step 2: Convert to fraction form
    654,610.45/903,283.09 = 364,153.39/x
  3. Step 3: Cross multiply
    654,610.45x = 903,283.09 × 364,153.39
  4. Step 4: Simplify right side
    654,610.45x = 328,933,599,353.18
  5. Step 5: Solve for x
    x = 328,933,599,353.18/654,610.45
  6. Step 6: Final answer
    x = 502,487.55

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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.