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Finding the Fourth Proportional to 1,265,788.97, 1,746,805.19 and 692,816.84

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Solution

The fourth proportional to 1,265,788.97, 1,746,805.19 and 692,816.84 is: 956,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,788.97 : 1,746,805.19 = 692,816.84 : x
  2. Step 2: Convert to fraction form
    1,265,788.97/1,746,805.19 = 692,816.84/x
  3. Step 3: Cross multiply
    1,265,788.97x = 1,746,805.19 × 692,816.84
  4. Step 4: Simplify right side
    1,265,788.97x = 1,210,216,039,633.29
  5. Step 5: Solve for x
    x = 1,210,216,039,633.29/1,265,788.97
  6. Step 6: Final answer
    x = 956,096.22

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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.