Home / 741,376.80-1,023,008.40-526,438.44

Finding the Fourth Proportional to 741,376.80, 1,023,008.40 and 526,438.44

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Solution

The fourth proportional to 741,376.80, 1,023,008.40 and 526,438.44 is: 726,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,376.80 : 1,023,008.40 = 526,438.44 : x
  2. Step 2: Convert to fraction form
    741,376.80/1,023,008.40 = 526,438.44/x
  3. Step 3: Cross multiply
    741,376.80x = 1,023,008.40 × 526,438.44
  4. Step 4: Simplify right side
    741,376.80x = 538,550,946,202.90
  5. Step 5: Solve for x
    x = 538,550,946,202.90/741,376.80
  6. Step 6: Final answer
    x = 726,420.02

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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.