Home / 1,669,028.23-2,303,259.57-905,081.59

Finding the Fourth Proportional to 1,669,028.23, 2,303,259.57 and 905,081.59

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Solution

The fourth proportional to 1,669,028.23, 2,303,259.57 and 905,081.59 is: 1,249,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,028.23 : 2,303,259.57 = 905,081.59 : x
  2. Step 2: Convert to fraction form
    1,669,028.23/2,303,259.57 = 905,081.59/x
  3. Step 3: Cross multiply
    1,669,028.23x = 2,303,259.57 × 905,081.59
  4. Step 4: Simplify right side
    1,669,028.23x = 2,084,637,817,756.61
  5. Step 5: Solve for x
    x = 2,084,637,817,756.61/1,669,028.23
  6. Step 6: Final answer
    x = 1,249,012.92

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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.