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Finding the Fourth Proportional to 1,359,265, 1,875,787.86 and 755,653

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Solution

The fourth proportional to 1,359,265, 1,875,787.86 and 755,653 is: 1,042,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,265 : 1,875,787.86 = 755,653 : x
  2. Step 2: Convert to fraction form
    1,359,265/1,875,787.86 = 755,653/x
  3. Step 3: Cross multiply
    1,359,265x = 1,875,787.86 × 755,653
  4. Step 4: Simplify right side
    1,359,265x = 1,417,444,723,772.58
  5. Step 5: Solve for x
    x = 1,417,444,723,772.58/1,359,265
  6. Step 6: Final answer
    x = 1,042,802.34

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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.