Home / 805,150.53-1,111,101.18-442,570.53

Finding the Fourth Proportional to 805,150.53, 1,111,101.18 and 442,570.53

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Solution

The fourth proportional to 805,150.53, 1,111,101.18 and 442,570.53 is: 610,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,150.53 : 1,111,101.18 = 442,570.53 : x
  2. Step 2: Convert to fraction form
    805,150.53/1,111,101.18 = 442,570.53/x
  3. Step 3: Cross multiply
    805,150.53x = 1,111,101.18 × 442,570.53
  4. Step 4: Simplify right side
    805,150.53x = 491,740,643,112.68
  5. Step 5: Solve for x
    x = 491,740,643,112.68/805,150.53
  6. Step 6: Final answer
    x = 610,743.74

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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.