Home / 1,051,361.11-1,577,041.48-252,642.65

Finding the Fourth Proportional to 1,051,361.11, 1,577,041.48 and 252,642.65

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Solution

The fourth proportional to 1,051,361.11, 1,577,041.48 and 252,642.65 is: 378,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,361.11 : 1,577,041.48 = 252,642.65 : x
  2. Step 2: Convert to fraction form
    1,051,361.11/1,577,041.48 = 252,642.65/x
  3. Step 3: Cross multiply
    1,051,361.11x = 1,577,041.48 × 252,642.65
  4. Step 4: Simplify right side
    1,051,361.11x = 398,427,938,667.12
  5. Step 5: Solve for x
    x = 398,427,938,667.12/1,051,361.11
  6. Step 6: Final answer
    x = 378,963.93

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Double scale
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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.