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Finding the Fourth Proportional to 1,426,729.93, 1,968,834.53 and 773,341.91

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Solution

The fourth proportional to 1,426,729.93, 1,968,834.53 and 773,341.91 is: 1,067,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,729.93 : 1,968,834.53 = 773,341.91 : x
  2. Step 2: Convert to fraction form
    1,426,729.93/1,968,834.53 = 773,341.91/x
  3. Step 3: Cross multiply
    1,426,729.93x = 1,968,834.53 × 773,341.91
  4. Step 4: Simplify right side
    1,426,729.93x = 1,522,582,255,376.46
  5. Step 5: Solve for x
    x = 1,522,582,255,376.46/1,426,729.93
  6. Step 6: Final answer
    x = 1,067,183.23

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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.