Home / 741,311.12-1,023,014.40-401,785.04

Finding the Fourth Proportional to 741,311.12, 1,023,014.40 and 401,785.04

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Solution

The fourth proportional to 741,311.12, 1,023,014.40 and 401,785.04 is: 554,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,311.12 : 1,023,014.40 = 401,785.04 : x
  2. Step 2: Convert to fraction form
    741,311.12/1,023,014.40 = 401,785.04/x
  3. Step 3: Cross multiply
    741,311.12x = 1,023,014.40 × 401,785.04
  4. Step 4: Simplify right side
    741,311.12x = 411,031,881,624.58
  5. Step 5: Solve for x
    x = 411,031,881,624.58/741,311.12
  6. Step 6: Final answer
    x = 554,466.09

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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.