Home / 571,949.08-788,961.80-356,715.47

Finding the Fourth Proportional to 571,949.08, 788,961.80 and 356,715.47

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Solution

The fourth proportional to 571,949.08, 788,961.80 and 356,715.47 is: 492,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,949.08 : 788,961.80 = 356,715.47 : x
  2. Step 2: Convert to fraction form
    571,949.08/788,961.80 = 356,715.47/x
  3. Step 3: Cross multiply
    571,949.08x = 788,961.80 × 356,715.47
  4. Step 4: Simplify right side
    571,949.08x = 281,434,877,515.47
  5. Step 5: Solve for x
    x = 281,434,877,515.47/571,949.08
  6. Step 6: Final answer
    x = 492,062.82

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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.