Home / 753,151.73-1,039,373.31-413,619.98

Finding the Fourth Proportional to 753,151.73, 1,039,373.31 and 413,619.98

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Solution

The fourth proportional to 753,151.73, 1,039,373.31 and 413,619.98 is: 570,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,151.73 : 1,039,373.31 = 413,619.98 : x
  2. Step 2: Convert to fraction form
    753,151.73/1,039,373.31 = 413,619.98/x
  3. Step 3: Cross multiply
    753,151.73x = 1,039,373.31 × 413,619.98
  4. Step 4: Simplify right side
    753,151.73x = 429,905,562,497.87
  5. Step 5: Solve for x
    x = 429,905,562,497.87/753,151.73
  6. Step 6: Final answer
    x = 570,808.71

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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.