Home / 743,624.88-1,026,203.76-404,092.32

Finding the Fourth Proportional to 743,624.88, 1,026,203.76 and 404,092.32

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Solution

The fourth proportional to 743,624.88, 1,026,203.76 and 404,092.32 is: 557,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,624.88 : 1,026,203.76 = 404,092.32 : x
  2. Step 2: Convert to fraction form
    743,624.88/1,026,203.76 = 404,092.32/x
  3. Step 3: Cross multiply
    743,624.88x = 1,026,203.76 × 404,092.32
  4. Step 4: Simplify right side
    743,624.88x = 414,681,058,171.12
  5. Step 5: Solve for x
    x = 414,681,058,171.12/743,624.88
  6. Step 6: Final answer
    x = 557,648.18

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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.