Home / 1,212,944.40-1,816,792.20-651,322.80

Finding the Fourth Proportional to 1,212,944.40, 1,816,792.20 and 651,322.80

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Solution

The fourth proportional to 1,212,944.40, 1,816,792.20 and 651,322.80 is: 975,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,944.40 : 1,816,792.20 = 651,322.80 : x
  2. Step 2: Convert to fraction form
    1,212,944.40/1,816,792.20 = 651,322.80/x
  3. Step 3: Cross multiply
    1,212,944.40x = 1,816,792.20 × 651,322.80
  4. Step 4: Simplify right side
    1,212,944.40x = 1,183,318,182,722.16
  5. Step 5: Solve for x
    x = 1,183,318,182,722.16/1,212,944.40
  6. Step 6: Final answer
    x = 975,574.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.