Home / 1,189,148.40-1,782,410.40-657,051.30

Finding the Fourth Proportional to 1,189,148.40, 1,782,410.40 and 657,051.30

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Solution

The fourth proportional to 1,189,148.40, 1,782,410.40 and 657,051.30 is: 984,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,148.40 : 1,782,410.40 = 657,051.30 : x
  2. Step 2: Convert to fraction form
    1,189,148.40/1,782,410.40 = 657,051.30/x
  3. Step 3: Cross multiply
    1,189,148.40x = 1,782,410.40 × 657,051.30
  4. Step 4: Simplify right side
    1,189,148.40x = 1,171,135,070,453.52
  5. Step 5: Solve for x
    x = 1,171,135,070,453.52/1,189,148.40
  6. Step 6: Final answer
    x = 984,851.91

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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.