Home / 925,538.19-1,277,203.72-538,354.36

Finding the Fourth Proportional to 925,538.19, 1,277,203.72 and 538,354.36

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Solution

The fourth proportional to 925,538.19, 1,277,203.72 and 538,354.36 is: 742,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,538.19 : 1,277,203.72 = 538,354.36 : x
  2. Step 2: Convert to fraction form
    925,538.19/1,277,203.72 = 538,354.36/x
  3. Step 3: Cross multiply
    925,538.19x = 1,277,203.72 × 538,354.36
  4. Step 4: Simplify right side
    925,538.19x = 687,588,185,345.98
  5. Step 5: Solve for x
    x = 687,588,185,345.98/925,538.19
  6. Step 6: Final answer
    x = 742,906.34

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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.