Home / 555,719.38-766,893.54-301,070.56

Finding the Fourth Proportional to 555,719.38, 766,893.54 and 301,070.56

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Solution

The fourth proportional to 555,719.38, 766,893.54 and 301,070.56 is: 415,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,719.38 : 766,893.54 = 301,070.56 : x
  2. Step 2: Convert to fraction form
    555,719.38/766,893.54 = 301,070.56/x
  3. Step 3: Cross multiply
    555,719.38x = 766,893.54 × 301,070.56
  4. Step 4: Simplify right side
    555,719.38x = 230,889,067,548.18
  5. Step 5: Solve for x
    x = 230,889,067,548.18/555,719.38
  6. Step 6: Final answer
    x = 415,477.80

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1.5x scale

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.