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Finding the Fourth Proportional to 1,265,794.91, 1,746,813.39 and 692,822.78

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Solution

The fourth proportional to 1,265,794.91, 1,746,813.39 and 692,822.78 is: 956,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,794.91 : 1,746,813.39 = 692,822.78 : x
  2. Step 2: Convert to fraction form
    1,265,794.91/1,746,813.39 = 692,822.78/x
  3. Step 3: Cross multiply
    1,265,794.91x = 1,746,813.39 × 692,822.78
  4. Step 4: Simplify right side
    1,265,794.91x = 1,210,232,109,001.02
  5. Step 5: Solve for x
    x = 1,210,232,109,001.02/1,265,794.91
  6. Step 6: Final answer
    x = 956,104.42

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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.