Home / 744,401.64-1,027,285.02-404,870.88

Finding the Fourth Proportional to 744,401.64, 1,027,285.02 and 404,870.88

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Solution

The fourth proportional to 744,401.64, 1,027,285.02 and 404,870.88 is: 558,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,401.64 : 1,027,285.02 = 404,870.88 : x
  2. Step 2: Convert to fraction form
    744,401.64/1,027,285.02 = 404,870.88/x
  3. Step 3: Cross multiply
    744,401.64x = 1,027,285.02 × 404,870.88
  4. Step 4: Simplify right side
    744,401.64x = 415,917,790,058.22
  5. Step 5: Solve for x
    x = 415,917,790,058.22/744,401.64
  6. Step 6: Final answer
    x = 558,727.66

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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.