Home / 1,009,153.44-1,392,833.52-579,728.16

Finding the Fourth Proportional to 1,009,153.44, 1,392,833.52 and 579,728.16

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Solution

The fourth proportional to 1,009,153.44, 1,392,833.52 and 579,728.16 is: 800,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,153.44 : 1,392,833.52 = 579,728.16 : x
  2. Step 2: Convert to fraction form
    1,009,153.44/1,392,833.52 = 579,728.16/x
  3. Step 3: Cross multiply
    1,009,153.44x = 1,392,833.52 × 579,728.16
  4. Step 4: Simplify right side
    1,009,153.44x = 807,464,813,735.92
  5. Step 5: Solve for x
    x = 807,464,813,735.92/1,009,153.44
  6. Step 6: Final answer
    x = 800,140.77

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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.