Home / 741,520.58-1,023,259.03-419,211.45

Finding the Fourth Proportional to 741,520.58, 1,023,259.03 and 419,211.45

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Solution

The fourth proportional to 741,520.58, 1,023,259.03 and 419,211.45 is: 578,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,520.58 : 1,023,259.03 = 419,211.45 : x
  2. Step 2: Convert to fraction form
    741,520.58/1,023,259.03 = 419,211.45/x
  3. Step 3: Cross multiply
    741,520.58x = 1,023,259.03 × 419,211.45
  4. Step 4: Simplify right side
    741,520.58x = 428,961,900,643.87
  5. Step 5: Solve for x
    x = 428,961,900,643.87/741,520.58
  6. Step 6: Final answer
    x = 578,489.55

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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.