Home / 1,414,506.83-2,121,779.70-403,628.45

Finding the Fourth Proportional to 1,414,506.83, 2,121,779.70 and 403,628.45

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Solution

The fourth proportional to 1,414,506.83, 2,121,779.70 and 403,628.45 is: 605,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,506.83 : 2,121,779.70 = 403,628.45 : x
  2. Step 2: Convert to fraction form
    1,414,506.83/2,121,779.70 = 403,628.45/x
  3. Step 3: Cross multiply
    1,414,506.83x = 2,121,779.70 × 403,628.45
  4. Step 4: Simplify right side
    1,414,506.83x = 856,410,651,552.47
  5. Step 5: Solve for x
    x = 856,410,651,552.47/1,414,506.83
  6. Step 6: Final answer
    x = 605,448.23

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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.