Home / 1,055,178-1,456,146.92-571,742.77

Finding the Fourth Proportional to 1,055,178, 1,456,146.92 and 571,742.77

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Solution

The fourth proportional to 1,055,178, 1,456,146.92 and 571,742.77 is: 789,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,178 : 1,456,146.92 = 571,742.77 : x
  2. Step 2: Convert to fraction form
    1,055,178/1,456,146.92 = 571,742.77/x
  3. Step 3: Cross multiply
    1,055,178x = 1,456,146.92 × 571,742.77
  4. Step 4: Simplify right side
    1,055,178x = 832,541,466,287.03
  5. Step 5: Solve for x
    x = 832,541,466,287.03/1,055,178
  6. Step 6: Final answer
    x = 789,005.71

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Double scale
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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.