Home / 805,505.30-1,111,559.25-442,944.44

Finding the Fourth Proportional to 805,505.30, 1,111,559.25 and 442,944.44

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Solution

The fourth proportional to 805,505.30, 1,111,559.25 and 442,944.44 is: 611,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,505.30 : 1,111,559.25 = 442,944.44 : x
  2. Step 2: Convert to fraction form
    805,505.30/1,111,559.25 = 442,944.44/x
  3. Step 3: Cross multiply
    805,505.30x = 1,111,559.25 × 442,944.44
  4. Step 4: Simplify right side
    805,505.30x = 492,358,983,960.27
  5. Step 5: Solve for x
    x = 492,358,983,960.27/805,505.30
  6. Step 6: Final answer
    x = 611,242.39

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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.