Home / 558,813.94-771,141.80-317,082.11

Finding the Fourth Proportional to 558,813.94, 771,141.80 and 317,082.11

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Solution

The fourth proportional to 558,813.94, 771,141.80 and 317,082.11 is: 437,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,813.94 : 771,141.80 = 317,082.11 : x
  2. Step 2: Convert to fraction form
    558,813.94/771,141.80 = 317,082.11/x
  3. Step 3: Cross multiply
    558,813.94x = 771,141.80 × 317,082.11
  4. Step 4: Simplify right side
    558,813.94x = 244,515,265,990.19
  5. Step 5: Solve for x
    x = 244,515,265,990.19/558,813.94
  6. Step 6: Final answer
    x = 437,561.14

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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.