Home / 743,612.52-1,026,184.50-404,079.96

Finding the Fourth Proportional to 743,612.52, 1,026,184.50 and 404,079.96

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Solution

The fourth proportional to 743,612.52, 1,026,184.50 and 404,079.96 is: 557,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,612.52 : 1,026,184.50 = 404,079.96 : x
  2. Step 2: Convert to fraction form
    743,612.52/1,026,184.50 = 404,079.96/x
  3. Step 3: Cross multiply
    743,612.52x = 1,026,184.50 × 404,079.96
  4. Step 4: Simplify right side
    743,612.52x = 414,660,591,712.62
  5. Step 5: Solve for x
    x = 414,660,591,712.62/743,612.52
  6. Step 6: Final answer
    x = 557,629.92

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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.