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Finding the Fourth Proportional to 1,265,791.79, 1,746,809.07 and 692,819.66

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Solution

The fourth proportional to 1,265,791.79, 1,746,809.07 and 692,819.66 is: 956,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,791.79 : 1,746,809.07 = 692,819.66 : x
  2. Step 2: Convert to fraction form
    1,265,791.79/1,746,809.07 = 692,819.66/x
  3. Step 3: Cross multiply
    1,265,791.79x = 1,746,809.07 × 692,819.66
  4. Step 4: Simplify right side
    1,265,791.79x = 1,210,223,665,962.32
  5. Step 5: Solve for x
    x = 1,210,223,665,962.32/1,265,791.79
  6. Step 6: Final answer
    x = 956,100.11

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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.