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Finding the Fourth Proportional to 1,396,545.32, 1,927,315.12 and 1,051,773.16

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Solution

The fourth proportional to 1,396,545.32, 1,927,315.12 and 1,051,773.16 is: 1,451,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,545.32 : 1,927,315.12 = 1,051,773.16 : x
  2. Step 2: Convert to fraction form
    1,396,545.32/1,927,315.12 = 1,051,773.16/x
  3. Step 3: Cross multiply
    1,396,545.32x = 1,927,315.12 × 1,051,773.16
  4. Step 4: Simplify right side
    1,396,545.32x = 2,027,098,314,078.18
  5. Step 5: Solve for x
    x = 2,027,098,314,078.18/1,396,545.32
  6. Step 6: Final answer
    x = 1,451,509.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.