Home / 1,528,442.97-2,291,778.87-628,868.51

Finding the Fourth Proportional to 1,528,442.97, 2,291,778.87 and 628,868.51

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Solution

The fourth proportional to 1,528,442.97, 2,291,778.87 and 628,868.51 is: 942,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,442.97 : 2,291,778.87 = 628,868.51 : x
  2. Step 2: Convert to fraction form
    1,528,442.97/2,291,778.87 = 628,868.51/x
  3. Step 3: Cross multiply
    1,528,442.97x = 2,291,778.87 × 628,868.51
  4. Step 4: Simplify right side
    1,528,442.97x = 1,441,227,558,003.40
  5. Step 5: Solve for x
    x = 1,441,227,558,003.40/1,528,442.97
  6. Step 6: Final answer
    x = 942,938.40

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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.