Home / 1,607,384.25-2,218,187.31-919,069.03

Finding the Fourth Proportional to 1,607,384.25, 2,218,187.31 and 919,069.03

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Solution

The fourth proportional to 1,607,384.25, 2,218,187.31 and 919,069.03 is: 1,268,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,384.25 : 2,218,187.31 = 919,069.03 : x
  2. Step 2: Convert to fraction form
    1,607,384.25/2,218,187.31 = 919,069.03/x
  3. Step 3: Cross multiply
    1,607,384.25x = 2,218,187.31 × 919,069.03
  4. Step 4: Simplify right side
    1,607,384.25x = 2,038,667,259,360.01
  5. Step 5: Solve for x
    x = 2,038,667,259,360.01/1,607,384.25
  6. Step 6: Final answer
    x = 1,268,313.57

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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.