Home / 477,985.68-659,644.02-263,123.46

Finding the Fourth Proportional to 477,985.68, 659,644.02 and 263,123.46

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Solution

The fourth proportional to 477,985.68, 659,644.02 and 263,123.46 is: 363,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,985.68 : 659,644.02 = 263,123.46 : x
  2. Step 2: Convert to fraction form
    477,985.68/659,644.02 = 263,123.46/x
  3. Step 3: Cross multiply
    477,985.68x = 659,644.02 × 263,123.46
  4. Step 4: Simplify right side
    477,985.68x = 173,567,816,910.71
  5. Step 5: Solve for x
    x = 173,567,816,910.71/477,985.68
  6. Step 6: Final answer
    x = 363,123.47

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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.