Home / 853,561.83-1,177,545.27-513,833.25

Finding the Fourth Proportional to 853,561.83, 1,177,545.27 and 513,833.25

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Solution

The fourth proportional to 853,561.83, 1,177,545.27 and 513,833.25 is: 708,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,561.83 : 1,177,545.27 = 513,833.25 : x
  2. Step 2: Convert to fraction form
    853,561.83/1,177,545.27 = 513,833.25/x
  3. Step 3: Cross multiply
    853,561.83x = 1,177,545.27 × 513,833.25
  4. Step 4: Simplify right side
    853,561.83x = 605,061,913,106.23
  5. Step 5: Solve for x
    x = 605,061,913,106.23/853,561.83
  6. Step 6: Final answer
    x = 708,867.12

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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.