Home / 500,904.46-691,322.35-317,160.11

Finding the Fourth Proportional to 500,904.46, 691,322.35 and 317,160.11

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Solution

The fourth proportional to 500,904.46, 691,322.35 and 317,160.11 is: 437,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,904.46 : 691,322.35 = 317,160.11 : x
  2. Step 2: Convert to fraction form
    500,904.46/691,322.35 = 317,160.11/x
  3. Step 3: Cross multiply
    500,904.46x = 691,322.35 × 317,160.11
  4. Step 4: Simplify right side
    500,904.46x = 219,259,872,406.90
  5. Step 5: Solve for x
    x = 219,259,872,406.90/500,904.46
  6. Step 6: Final answer
    x = 437,727.93

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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.