Home / 925,784.48-1,277,067.68-538,556.16

Finding the Fourth Proportional to 925,784.48, 1,277,067.68 and 538,556.16

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Solution

The fourth proportional to 925,784.48, 1,277,067.68 and 538,556.16 is: 742,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,784.48 : 1,277,067.68 = 538,556.16 : x
  2. Step 2: Convert to fraction form
    925,784.48/1,277,067.68 = 538,556.16/x
  3. Step 3: Cross multiply
    925,784.48x = 1,277,067.68 × 538,556.16
  4. Step 4: Simplify right side
    925,784.48x = 687,772,665,800.91
  5. Step 5: Solve for x
    x = 687,772,665,800.91/925,784.48
  6. Step 6: Final answer
    x = 742,907.97

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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.