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Finding the Fourth Proportional to 1,265,891.88, 1,746,950.04 and 692,985.36

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Solution

The fourth proportional to 1,265,891.88, 1,746,950.04 and 692,985.36 is: 956,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,891.88 : 1,746,950.04 = 692,985.36 : x
  2. Step 2: Convert to fraction form
    1,265,891.88/1,746,950.04 = 692,985.36/x
  3. Step 3: Cross multiply
    1,265,891.88x = 1,746,950.04 × 692,985.36
  4. Step 4: Simplify right side
    1,265,891.88x = 1,210,610,802,371.41
  5. Step 5: Solve for x
    x = 1,210,610,802,371.41/1,265,891.88
  6. Step 6: Final answer
    x = 956,330.33

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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.