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Finding the Fourth Proportional to 1,396,127.02, 1,926,737.59 and 1,051,354.68

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Solution

The fourth proportional to 1,396,127.02, 1,926,737.59 and 1,051,354.68 is: 1,450,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,127.02 : 1,926,737.59 = 1,051,354.68 : x
  2. Step 2: Convert to fraction form
    1,396,127.02/1,926,737.59 = 1,051,354.68/x
  3. Step 3: Cross multiply
    1,396,127.02x = 1,926,737.59 × 1,051,354.68
  4. Step 4: Simplify right side
    1,396,127.02x = 2,025,684,572,744.73
  5. Step 5: Solve for x
    x = 2,025,684,572,744.73/1,396,127.02
  6. Step 6: Final answer
    x = 1,450,931.43

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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.