Home / 809,384.42-1,117,085.57-773,511.14

Finding the Fourth Proportional to 809,384.42, 1,117,085.57 and 773,511.14

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Solution

The fourth proportional to 809,384.42, 1,117,085.57 and 773,511.14 is: 1,067,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,384.42 : 1,117,085.57 = 773,511.14 : x
  2. Step 2: Convert to fraction form
    809,384.42/1,117,085.57 = 773,511.14/x
  3. Step 3: Cross multiply
    809,384.42x = 1,117,085.57 × 773,511.14
  4. Step 4: Simplify right side
    809,384.42x = 864,078,123,275.27
  5. Step 5: Solve for x
    x = 864,078,123,275.27/809,384.42
  6. Step 6: Final answer
    x = 1,067,574.45

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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.