Home / 805,506.73-1,111,561.23-442,945.87

Finding the Fourth Proportional to 805,506.73, 1,111,561.23 and 442,945.87

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Solution

The fourth proportional to 805,506.73, 1,111,561.23 and 442,945.87 is: 611,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,506.73 : 1,111,561.23 = 442,945.87 : x
  2. Step 2: Convert to fraction form
    805,506.73/1,111,561.23 = 442,945.87/x
  3. Step 3: Cross multiply
    805,506.73x = 1,111,561.23 × 442,945.87
  4. Step 4: Simplify right side
    805,506.73x = 492,361,456,080.62
  5. Step 5: Solve for x
    x = 492,361,456,080.62/805,506.73
  6. Step 6: Final answer
    x = 611,244.37

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Half scale
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Double scale
Find fourth proportional to 805,507.73, 1,111,562.61 and 442,946.87
Similar ratio
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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.