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Finding the Fourth Proportional to 1,284,476, 1,772,579 and 703,686.36

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Solution

The fourth proportional to 1,284,476, 1,772,579 and 703,686.36 is: 971,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,476 : 1,772,579 = 703,686.36 : x
  2. Step 2: Convert to fraction form
    1,284,476/1,772,579 = 703,686.36/x
  3. Step 3: Cross multiply
    1,284,476x = 1,772,579 × 703,686.36
  4. Step 4: Simplify right side
    1,284,476x = 1,247,339,664,322.44
  5. Step 5: Solve for x
    x = 1,247,339,664,322.44/1,284,476
  6. Step 6: Final answer
    x = 971,088.34

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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.