Home / 571,711.32-788,934.60-317,057.04

Finding the Fourth Proportional to 571,711.32, 788,934.60 and 317,057.04

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Solution

The fourth proportional to 571,711.32, 788,934.60 and 317,057.04 is: 437,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,711.32 : 788,934.60 = 317,057.04 : x
  2. Step 2: Convert to fraction form
    571,711.32/788,934.60 = 317,057.04/x
  3. Step 3: Cross multiply
    571,711.32x = 788,934.60 × 317,057.04
  4. Step 4: Simplify right side
    571,711.32x = 250,137,269,029.58
  5. Step 5: Solve for x
    x = 250,137,269,029.58/571,711.32
  6. Step 6: Final answer
    x = 437,523.73

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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.