Home / 1,557,046.40-2,335,569.60-419,806.40

Finding the Fourth Proportional to 1,557,046.40, 2,335,569.60 and 419,806.40

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Solution

The fourth proportional to 1,557,046.40, 2,335,569.60 and 419,806.40 is: 629,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,046.40 : 2,335,569.60 = 419,806.40 : x
  2. Step 2: Convert to fraction form
    1,557,046.40/2,335,569.60 = 419,806.40/x
  3. Step 3: Cross multiply
    1,557,046.40x = 2,335,569.60 × 419,806.40
  4. Step 4: Simplify right side
    1,557,046.40x = 980,487,065,725.44
  5. Step 5: Solve for x
    x = 980,487,065,725.44/1,557,046.40
  6. Step 6: Final answer
    x = 629,709.60

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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.