Home / 1,558,907.40-2,338,361.10-1,330,584.60

Finding the Fourth Proportional to 1,558,907.40, 2,338,361.10 and 1,330,584.60

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Solution

The fourth proportional to 1,558,907.40, 2,338,361.10 and 1,330,584.60 is: 1,995,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,907.40 : 2,338,361.10 = 1,330,584.60 : x
  2. Step 2: Convert to fraction form
    1,558,907.40/2,338,361.10 = 1,330,584.60/x
  3. Step 3: Cross multiply
    1,558,907.40x = 2,338,361.10 × 1,330,584.60
  4. Step 4: Simplify right side
    1,558,907.40x = 3,111,387,268,899.06
  5. Step 5: Solve for x
    x = 3,111,387,268,899.06/1,558,907.40
  6. Step 6: Final answer
    x = 1,995,876.90

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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.