Home / 1,172,448.64-1,758,356.55-414,190.28

Finding the Fourth Proportional to 1,172,448.64, 1,758,356.55 and 414,190.28

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Solution

The fourth proportional to 1,172,448.64, 1,758,356.55 and 414,190.28 is: 621,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,448.64 : 1,758,356.55 = 414,190.28 : x
  2. Step 2: Convert to fraction form
    1,172,448.64/1,758,356.55 = 414,190.28/x
  3. Step 3: Cross multiply
    1,172,448.64x = 1,758,356.55 × 414,190.28
  4. Step 4: Simplify right side
    1,172,448.64x = 728,294,182,992.55
  5. Step 5: Solve for x
    x = 728,294,182,992.55/1,172,448.64
  6. Step 6: Final answer
    x = 621,173.63

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1.5x scale

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.