Home / 539,111.44-743,961.90-297,394.21

Finding the Fourth Proportional to 539,111.44, 743,961.90 and 297,394.21

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Solution

The fourth proportional to 539,111.44, 743,961.90 and 297,394.21 is: 410,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,111.44 : 743,961.90 = 297,394.21 : x
  2. Step 2: Convert to fraction form
    539,111.44/743,961.90 = 297,394.21/x
  3. Step 3: Cross multiply
    539,111.44x = 743,961.90 × 297,394.21
  4. Step 4: Simplify right side
    539,111.44x = 221,249,961,520.60
  5. Step 5: Solve for x
    x = 221,249,961,520.60/539,111.44
  6. Step 6: Final answer
    x = 410,397.45

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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.