Home / 1,257,361.89-1,886,088.64-447,805.84

Finding the Fourth Proportional to 1,257,361.89, 1,886,088.64 and 447,805.84

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Solution

The fourth proportional to 1,257,361.89, 1,886,088.64 and 447,805.84 is: 671,725.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,361.89 : 1,886,088.64 = 447,805.84 : x
  2. Step 2: Convert to fraction form
    1,257,361.89/1,886,088.64 = 447,805.84/x
  3. Step 3: Cross multiply
    1,257,361.89x = 1,886,088.64 × 447,805.84
  4. Step 4: Simplify right side
    1,257,361.89x = 844,601,507,749.66
  5. Step 5: Solve for x
    x = 844,601,507,749.66/1,257,361.89
  6. Step 6: Final answer
    x = 671,725.07

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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.