Home / 979,539.13-1,351,689.82-549,736.26

Finding the Fourth Proportional to 979,539.13, 1,351,689.82 and 549,736.26

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Solution

The fourth proportional to 979,539.13, 1,351,689.82 and 549,736.26 is: 758,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,539.13 : 1,351,689.82 = 549,736.26 : x
  2. Step 2: Convert to fraction form
    979,539.13/1,351,689.82 = 549,736.26/x
  3. Step 3: Cross multiply
    979,539.13x = 1,351,689.82 × 549,736.26
  4. Step 4: Simplify right side
    979,539.13x = 743,072,906,326.87
  5. Step 5: Solve for x
    x = 743,072,906,326.87/979,539.13
  6. Step 6: Final answer
    x = 758,594.41

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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.