Home / 726,844.48-1,003,027.50-400,154.76

Finding the Fourth Proportional to 726,844.48, 1,003,027.50 and 400,154.76

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Solution

The fourth proportional to 726,844.48, 1,003,027.50 and 400,154.76 is: 552,203.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,844.48 : 1,003,027.50 = 400,154.76 : x
  2. Step 2: Convert to fraction form
    726,844.48/1,003,027.50 = 400,154.76/x
  3. Step 3: Cross multiply
    726,844.48x = 1,003,027.50 × 400,154.76
  4. Step 4: Simplify right side
    726,844.48x = 401,366,228,535.90
  5. Step 5: Solve for x
    x = 401,366,228,535.90/726,844.48
  6. Step 6: Final answer
    x = 552,203.72

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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.