Home / 925,747.35-1,277,016.75-538,519.20

Finding the Fourth Proportional to 925,747.35, 1,277,016.75 and 538,519.20

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Solution

The fourth proportional to 925,747.35, 1,277,016.75 and 538,519.20 is: 742,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,747.35 : 1,277,016.75 = 538,519.20 : x
  2. Step 2: Convert to fraction form
    925,747.35/1,277,016.75 = 538,519.20/x
  3. Step 3: Cross multiply
    925,747.35x = 1,277,016.75 × 538,519.20
  4. Step 4: Simplify right side
    925,747.35x = 687,698,038,596.60
  5. Step 5: Solve for x
    x = 687,698,038,596.60/925,747.35
  6. Step 6: Final answer
    x = 742,857.15

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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.