Home / 925,383.72-1,276,516.62-538,156.74

Finding the Fourth Proportional to 925,383.72, 1,276,516.62 and 538,156.74

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Solution

The fourth proportional to 925,383.72, 1,276,516.62 and 538,156.74 is: 742,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,383.72 : 1,276,516.62 = 538,156.74 : x
  2. Step 2: Convert to fraction form
    925,383.72/1,276,516.62 = 538,156.74/x
  3. Step 3: Cross multiply
    925,383.72x = 1,276,516.62 × 538,156.74
  4. Step 4: Simplify right side
    925,383.72x = 686,966,022,775.02
  5. Step 5: Solve for x
    x = 686,966,022,775.02/925,383.72
  6. Step 6: Final answer
    x = 742,358.02

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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.