Home / 783,741.83-1,081,793.57-511,850.79

Finding the Fourth Proportional to 783,741.83, 1,081,793.57 and 511,850.79

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Solution

The fourth proportional to 783,741.83, 1,081,793.57 and 511,850.79 is: 706,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,741.83 : 1,081,793.57 = 511,850.79 : x
  2. Step 2: Convert to fraction form
    783,741.83/1,081,793.57 = 511,850.79/x
  3. Step 3: Cross multiply
    783,741.83x = 1,081,793.57 × 511,850.79
  4. Step 4: Simplify right side
    783,741.83x = 553,716,890,862.17
  5. Step 5: Solve for x
    x = 553,716,890,862.17/783,741.83
  6. Step 6: Final answer
    x = 706,504.20

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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.