Home / 1,667,790-2,301,797.25-1,055,999.63

Finding the Fourth Proportional to 1,667,790, 2,301,797.25 and 1,055,999.63

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Solution

The fourth proportional to 1,667,790, 2,301,797.25 and 1,055,999.63 is: 1,457,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,790 : 2,301,797.25 = 1,055,999.63 : x
  2. Step 2: Convert to fraction form
    1,667,790/2,301,797.25 = 1,055,999.63/x
  3. Step 3: Cross multiply
    1,667,790x = 2,301,797.25 × 1,055,999.63
  4. Step 4: Simplify right side
    1,667,790x = 2,430,697,050,089.51
  5. Step 5: Solve for x
    x = 2,430,697,050,089.51/1,667,790
  6. Step 6: Final answer
    x = 1,457,435.92

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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.