Home / 1,219,433.22-1,680,108-805,234.44

Finding the Fourth Proportional to 1,219,433.22, 1,680,108 and 805,234.44

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Solution

The fourth proportional to 1,219,433.22, 1,680,108 and 805,234.44 is: 1,109,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,433.22 : 1,680,108 = 805,234.44 : x
  2. Step 2: Convert to fraction form
    1,219,433.22/1,680,108 = 805,234.44/x
  3. Step 3: Cross multiply
    1,219,433.22x = 1,680,108 × 805,234.44
  4. Step 4: Simplify right side
    1,219,433.22x = 1,352,880,824,519.52
  5. Step 5: Solve for x
    x = 1,352,880,824,519.52/1,219,433.22
  6. Step 6: Final answer
    x = 1,109,434.12

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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.