Home / 853,365.87-1,177,648.92-466,186.68

Finding the Fourth Proportional to 853,365.87, 1,177,648.92 and 466,186.68

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Solution

The fourth proportional to 853,365.87, 1,177,648.92 and 466,186.68 is: 643,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,365.87 : 1,177,648.92 = 466,186.68 : x
  2. Step 2: Convert to fraction form
    853,365.87/1,177,648.92 = 466,186.68/x
  3. Step 3: Cross multiply
    853,365.87x = 1,177,648.92 × 466,186.68
  4. Step 4: Simplify right side
    853,365.87x = 549,004,240,220.39
  5. Step 5: Solve for x
    x = 549,004,240,220.39/853,365.87
  6. Step 6: Final answer
    x = 643,339.81

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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.