Home / 1,205,452.80-1,664,409.60-1,056,153.60

Finding the Fourth Proportional to 1,205,452.80, 1,664,409.60 and 1,056,153.60

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Solution

The fourth proportional to 1,205,452.80, 1,664,409.60 and 1,056,153.60 is: 1,458,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,452.80 : 1,664,409.60 = 1,056,153.60 : x
  2. Step 2: Convert to fraction form
    1,205,452.80/1,664,409.60 = 1,056,153.60/x
  3. Step 3: Cross multiply
    1,205,452.80x = 1,664,409.60 × 1,056,153.60
  4. Step 4: Simplify right side
    1,205,452.80x = 1,757,872,190,914.56
  5. Step 5: Solve for x
    x = 1,757,872,190,914.56/1,205,452.80
  6. Step 6: Final answer
    x = 1,458,267.13

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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.