Home / 741,641.78-1,023,459.94-419,363.35

Finding the Fourth Proportional to 741,641.78, 1,023,459.94 and 419,363.35

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Solution

The fourth proportional to 741,641.78, 1,023,459.94 and 419,363.35 is: 578,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,641.78 : 1,023,459.94 = 419,363.35 : x
  2. Step 2: Convert to fraction form
    741,641.78/1,023,459.94 = 419,363.35/x
  3. Step 3: Cross multiply
    741,641.78x = 1,023,459.94 × 419,363.35
  4. Step 4: Simplify right side
    741,641.78x = 429,201,589,029.20
  5. Step 5: Solve for x
    x = 429,201,589,029.20/741,641.78
  6. Step 6: Final answer
    x = 578,718.19

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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.