Home / 769,445.49-1,154,187.96-364,542.90

Finding the Fourth Proportional to 769,445.49, 1,154,187.96 and 364,542.90

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Solution

The fourth proportional to 769,445.49, 1,154,187.96 and 364,542.90 is: 546,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,445.49 : 1,154,187.96 = 364,542.90 : x
  2. Step 2: Convert to fraction form
    769,445.49/1,154,187.96 = 364,542.90/x
  3. Step 3: Cross multiply
    769,445.49x = 1,154,187.96 × 364,542.90
  4. Step 4: Simplify right side
    769,445.49x = 420,751,026,083.48
  5. Step 5: Solve for x
    x = 420,751,026,083.48/769,445.49
  6. Step 6: Final answer
    x = 546,823.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.