Home / 1,620,954.03-2,431,431.06-623,448.75

Finding the Fourth Proportional to 1,620,954.03, 2,431,431.06 and 623,448.75

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Solution

The fourth proportional to 1,620,954.03, 2,431,431.06 and 623,448.75 is: 935,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,954.03 : 2,431,431.06 = 623,448.75 : x
  2. Step 2: Convert to fraction form
    1,620,954.03/2,431,431.06 = 623,448.75/x
  3. Step 3: Cross multiply
    1,620,954.03x = 2,431,431.06 × 623,448.75
  4. Step 4: Simplify right side
    1,620,954.03x = 1,515,872,655,068.18
  5. Step 5: Solve for x
    x = 1,515,872,655,068.18/1,620,954.03
  6. Step 6: Final answer
    x = 935,173.13

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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.