Home / 1,012,221.44-1,396,811.04-559,485.44

Finding the Fourth Proportional to 1,012,221.44, 1,396,811.04 and 559,485.44

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Solution

The fourth proportional to 1,012,221.44, 1,396,811.04 and 559,485.44 is: 772,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,221.44 : 1,396,811.04 = 559,485.44 : x
  2. Step 2: Convert to fraction form
    1,012,221.44/1,396,811.04 = 559,485.44/x
  3. Step 3: Cross multiply
    1,012,221.44x = 1,396,811.04 × 559,485.44
  4. Step 4: Simplify right side
    1,012,221.44x = 781,495,439,311.26
  5. Step 5: Solve for x
    x = 781,495,439,311.26/1,012,221.44
  6. Step 6: Final answer
    x = 772,059.76

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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.