Home / 979,513.35-1,351,654.31-549,710.44

Finding the Fourth Proportional to 979,513.35, 1,351,654.31 and 549,710.44

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Solution

The fourth proportional to 979,513.35, 1,351,654.31 and 549,710.44 is: 758,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,513.35 : 1,351,654.31 = 549,710.44 : x
  2. Step 2: Convert to fraction form
    979,513.35/1,351,654.31 = 549,710.44/x
  3. Step 3: Cross multiply
    979,513.35x = 1,351,654.31 × 549,710.44
  4. Step 4: Simplify right side
    979,513.35x = 743,018,489,859.56
  5. Step 5: Solve for x
    x = 743,018,489,859.56/979,513.35
  6. Step 6: Final answer
    x = 758,558.82

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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.