Home / 1,017,160.56-1,526,236.56-418,301.64

Finding the Fourth Proportional to 1,017,160.56, 1,526,236.56 and 418,301.64

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Solution

The fourth proportional to 1,017,160.56, 1,526,236.56 and 418,301.64 is: 627,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,160.56 : 1,526,236.56 = 418,301.64 : x
  2. Step 2: Convert to fraction form
    1,017,160.56/1,526,236.56 = 418,301.64/x
  3. Step 3: Cross multiply
    1,017,160.56x = 1,526,236.56 × 418,301.64
  4. Step 4: Simplify right side
    1,017,160.56x = 638,427,256,075.96
  5. Step 5: Solve for x
    x = 638,427,256,075.96/1,017,160.56
  6. Step 6: Final answer
    x = 627,656.32

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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.