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Finding the Fourth Proportional to 1,294,957.22, 1,786,233.74 and 835,894.98

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Solution

The fourth proportional to 1,294,957.22, 1,786,233.74 and 835,894.98 is: 1,153,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,957.22 : 1,786,233.74 = 835,894.98 : x
  2. Step 2: Convert to fraction form
    1,294,957.22/1,786,233.74 = 835,894.98/x
  3. Step 3: Cross multiply
    1,294,957.22x = 1,786,233.74 × 835,894.98
  4. Step 4: Simplify right side
    1,294,957.22x = 1,493,103,812,193.15
  5. Step 5: Solve for x
    x = 1,493,103,812,193.15/1,294,957.22
  6. Step 6: Final answer
    x = 1,153,014.01

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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.