Home / 747,742.86-1,031,944.05-425,466.54

Finding the Fourth Proportional to 747,742.86, 1,031,944.05 and 425,466.54

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Solution

The fourth proportional to 747,742.86, 1,031,944.05 and 425,466.54 is: 587,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,742.86 : 1,031,944.05 = 425,466.54 : x
  2. Step 2: Convert to fraction form
    747,742.86/1,031,944.05 = 425,466.54/x
  3. Step 3: Cross multiply
    747,742.86x = 1,031,944.05 × 425,466.54
  4. Step 4: Simplify right side
    747,742.86x = 439,057,664,427.09
  5. Step 5: Solve for x
    x = 439,057,664,427.09/747,742.86
  6. Step 6: Final answer
    x = 587,177.34

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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.