Home / 772,198.08-1,065,632.60-432,668.76

Finding the Fourth Proportional to 772,198.08, 1,065,632.60 and 432,668.76

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Solution

The fourth proportional to 772,198.08, 1,065,632.60 and 432,668.76 is: 597,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,198.08 : 1,065,632.60 = 432,668.76 : x
  2. Step 2: Convert to fraction form
    772,198.08/1,065,632.60 = 432,668.76/x
  3. Step 3: Cross multiply
    772,198.08x = 1,065,632.60 × 432,668.76
  4. Step 4: Simplify right side
    772,198.08x = 461,065,935,657.58
  5. Step 5: Solve for x
    x = 461,065,935,657.58/772,198.08
  6. Step 6: Final answer
    x = 597,082.47

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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.