Home / 741,692.32-1,023,555.56-419,450.63

Finding the Fourth Proportional to 741,692.32, 1,023,555.56 and 419,450.63

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Solution

The fourth proportional to 741,692.32, 1,023,555.56 and 419,450.63 is: 578,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,692.32 : 1,023,555.56 = 419,450.63 : x
  2. Step 2: Convert to fraction form
    741,692.32/1,023,555.56 = 419,450.63/x
  3. Step 3: Cross multiply
    741,692.32x = 1,023,555.56 × 419,450.63
  4. Step 4: Simplify right side
    741,692.32x = 429,331,017,266.97
  5. Step 5: Solve for x
    x = 429,331,017,266.97/741,692.32
  6. Step 6: Final answer
    x = 578,853.26

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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.