Home / 741,377.80-1,023,009.78-526,439.44

Finding the Fourth Proportional to 741,377.80, 1,023,009.78 and 526,439.44

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Solution

The fourth proportional to 741,377.80, 1,023,009.78 and 526,439.44 is: 726,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,377.80 : 1,023,009.78 = 526,439.44 : x
  2. Step 2: Convert to fraction form
    741,377.80/1,023,009.78 = 526,439.44/x
  3. Step 3: Cross multiply
    741,377.80x = 1,023,009.78 × 526,439.44
  4. Step 4: Simplify right side
    741,377.80x = 538,552,695,697.72
  5. Step 5: Solve for x
    x = 538,552,695,697.72/741,377.80
  6. Step 6: Final answer
    x = 726,421.39

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Double scale
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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.