Home / 851,731.58-1,278,483.51-627,345.38

Finding the Fourth Proportional to 851,731.58, 1,278,483.51 and 627,345.38

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Solution

The fourth proportional to 851,731.58, 1,278,483.51 and 627,345.38 is: 941,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,731.58 : 1,278,483.51 = 627,345.38 : x
  2. Step 2: Convert to fraction form
    851,731.58/1,278,483.51 = 627,345.38/x
  3. Step 3: Cross multiply
    851,731.58x = 1,278,483.51 × 627,345.38
  4. Step 4: Simplify right side
    851,731.58x = 802,050,723,404.68
  5. Step 5: Solve for x
    x = 802,050,723,404.68/851,731.58
  6. Step 6: Final answer
    x = 941,670.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.