Home / 925,742.96-1,277,010.80-538,514.80

Finding the Fourth Proportional to 925,742.96, 1,277,010.80 and 538,514.80

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Solution

The fourth proportional to 925,742.96, 1,277,010.80 and 538,514.80 is: 742,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,742.96 : 1,277,010.80 = 538,514.80 : x
  2. Step 2: Convert to fraction form
    925,742.96/1,277,010.80 = 538,514.80/x
  3. Step 3: Cross multiply
    925,742.96x = 1,277,010.80 × 538,514.80
  4. Step 4: Simplify right side
    925,742.96x = 687,689,215,559.84
  5. Step 5: Solve for x
    x = 687,689,215,559.84/925,742.96
  6. Step 6: Final answer
    x = 742,851.14

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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.