Home / 571,957.96-789,339.39-330,250.72

Finding the Fourth Proportional to 571,957.96, 789,339.39 and 330,250.72

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Solution

The fourth proportional to 571,957.96, 789,339.39 and 330,250.72 is: 455,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,957.96 : 789,339.39 = 330,250.72 : x
  2. Step 2: Convert to fraction form
    571,957.96/789,339.39 = 330,250.72/x
  3. Step 3: Cross multiply
    571,957.96x = 789,339.39 × 330,250.72
  4. Step 4: Simplify right side
    571,957.96x = 260,679,901,871.86
  5. Step 5: Solve for x
    x = 260,679,901,871.86/571,957.96
  6. Step 6: Final answer
    x = 455,767.59

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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.