Home / 1,152,144.64-1,589,705.04-668,429.44

Finding the Fourth Proportional to 1,152,144.64, 1,589,705.04 and 668,429.44

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Solution

The fourth proportional to 1,152,144.64, 1,589,705.04 and 668,429.44 is: 922,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,144.64 : 1,589,705.04 = 668,429.44 : x
  2. Step 2: Convert to fraction form
    1,152,144.64/1,589,705.04 = 668,429.44/x
  3. Step 3: Cross multiply
    1,152,144.64x = 1,589,705.04 × 668,429.44
  4. Step 4: Simplify right side
    1,152,144.64x = 1,062,605,649,652.38
  5. Step 5: Solve for x
    x = 1,062,605,649,652.38/1,152,144.64
  6. Step 6: Final answer
    x = 922,284.94

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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.