Home / 919,918.56-1,269,329.58-845,507.46

Finding the Fourth Proportional to 919,918.56, 1,269,329.58 and 845,507.46

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Solution

The fourth proportional to 919,918.56, 1,269,329.58 and 845,507.46 is: 1,166,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,918.56 : 1,269,329.58 = 845,507.46 : x
  2. Step 2: Convert to fraction form
    919,918.56/1,269,329.58 = 845,507.46/x
  3. Step 3: Cross multiply
    919,918.56x = 1,269,329.58 × 845,507.46
  4. Step 4: Simplify right side
    919,918.56x = 1,073,227,629,088.67
  5. Step 5: Solve for x
    x = 1,073,227,629,088.67/919,918.56
  6. Step 6: Final answer
    x = 1,166,655.05

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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.