Home / 805,134.13-1,111,072.29-442,550.18

Finding the Fourth Proportional to 805,134.13, 1,111,072.29 and 442,550.18

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Solution

The fourth proportional to 805,134.13, 1,111,072.29 and 442,550.18 is: 610,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,134.13 : 1,111,072.29 = 442,550.18 : x
  2. Step 2: Convert to fraction form
    805,134.13/1,111,072.29 = 442,550.18/x
  3. Step 3: Cross multiply
    805,134.13x = 1,111,072.29 × 442,550.18
  4. Step 4: Simplify right side
    805,134.13x = 491,705,245,539.98
  5. Step 5: Solve for x
    x = 491,705,245,539.98/805,134.13
  6. Step 6: Final answer
    x = 610,712.21

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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.