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Finding the Fourth Proportional to 1,265,793.91, 1,746,812.01 and 692,821.78

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Solution

The fourth proportional to 1,265,793.91, 1,746,812.01 and 692,821.78 is: 956,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,793.91 : 1,746,812.01 = 692,821.78 : x
  2. Step 2: Convert to fraction form
    1,265,793.91/1,746,812.01 = 692,821.78/x
  3. Step 3: Cross multiply
    1,265,793.91x = 1,746,812.01 × 692,821.78
  4. Step 4: Simplify right side
    1,265,793.91x = 1,210,229,406,093.58
  5. Step 5: Solve for x
    x = 1,210,229,406,093.58/1,265,793.91
  6. Step 6: Final answer
    x = 956,103.04

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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.