Home / 468,101.28-645,973.40-261,372.86

Finding the Fourth Proportional to 468,101.28, 645,973.40 and 261,372.86

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Solution

The fourth proportional to 468,101.28, 645,973.40 and 261,372.86 is: 360,690.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,101.28 : 645,973.40 = 261,372.86 : x
  2. Step 2: Convert to fraction form
    468,101.28/645,973.40 = 261,372.86/x
  3. Step 3: Cross multiply
    468,101.28x = 645,973.40 × 261,372.86
  4. Step 4: Simplify right side
    468,101.28x = 168,839,915,041.92
  5. Step 5: Solve for x
    x = 168,839,915,041.92/468,101.28
  6. Step 6: Final answer
    x = 360,690.99

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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.