Home / 829,101.60-1,243,513.26-230,123.61

Finding the Fourth Proportional to 829,101.60, 1,243,513.26 and 230,123.61

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Solution

The fourth proportional to 829,101.60, 1,243,513.26 and 230,123.61 is: 345,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,101.60 : 1,243,513.26 = 230,123.61 : x
  2. Step 2: Convert to fraction form
    829,101.60/1,243,513.26 = 230,123.61/x
  3. Step 3: Cross multiply
    829,101.60x = 1,243,513.26 × 230,123.61
  4. Step 4: Simplify right side
    829,101.60x = 286,161,760,474.07
  5. Step 5: Solve for x
    x = 286,161,760,474.07/829,101.60
  6. Step 6: Final answer
    x = 345,146.80

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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.