Home / 1,286,383.16-1,927,001.94-773,765.32

Finding the Fourth Proportional to 1,286,383.16, 1,927,001.94 and 773,765.32

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Solution

The fourth proportional to 1,286,383.16, 1,927,001.94 and 773,765.32 is: 1,159,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,383.16 : 1,927,001.94 = 773,765.32 : x
  2. Step 2: Convert to fraction form
    1,286,383.16/1,927,001.94 = 773,765.32/x
  3. Step 3: Cross multiply
    1,286,383.16x = 1,927,001.94 × 773,765.32
  4. Step 4: Simplify right side
    1,286,383.16x = 1,491,047,272,744.72
  5. Step 5: Solve for x
    x = 1,491,047,272,744.72/1,286,383.16
  6. Step 6: Final answer
    x = 1,159,100.43

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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.