Home / 1,938,383.54-2,907,574.62-518,402.76

Finding the Fourth Proportional to 1,938,383.54, 2,907,574.62 and 518,402.76

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Solution

The fourth proportional to 1,938,383.54, 2,907,574.62 and 518,402.76 is: 777,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,383.54 : 2,907,574.62 = 518,402.76 : x
  2. Step 2: Convert to fraction form
    1,938,383.54/2,907,574.62 = 518,402.76/x
  3. Step 3: Cross multiply
    1,938,383.54x = 2,907,574.62 × 518,402.76
  4. Step 4: Simplify right side
    1,938,383.54x = 1,507,294,707,913.95
  5. Step 5: Solve for x
    x = 1,507,294,707,913.95/1,938,383.54
  6. Step 6: Final answer
    x = 777,603.96

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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.