Home / 1,292,034.30-1,938,464.55-393,647.10

Finding the Fourth Proportional to 1,292,034.30, 1,938,464.55 and 393,647.10

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Solution

The fourth proportional to 1,292,034.30, 1,938,464.55 and 393,647.10 is: 590,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,034.30 : 1,938,464.55 = 393,647.10 : x
  2. Step 2: Convert to fraction form
    1,292,034.30/1,938,464.55 = 393,647.10/x
  3. Step 3: Cross multiply
    1,292,034.30x = 1,938,464.55 × 393,647.10
  4. Step 4: Simplify right side
    1,292,034.30x = 763,070,948,560.31
  5. Step 5: Solve for x
    x = 763,070,948,560.31/1,292,034.30
  6. Step 6: Final answer
    x = 590,596.51

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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.