Home / 1,691,895.42-2,536,829.34-538,643.58

Finding the Fourth Proportional to 1,691,895.42, 2,536,829.34 and 538,643.58

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Solution

The fourth proportional to 1,691,895.42, 2,536,829.34 and 538,643.58 is: 807,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,895.42 : 2,536,829.34 = 538,643.58 : x
  2. Step 2: Convert to fraction form
    1,691,895.42/2,536,829.34 = 538,643.58/x
  3. Step 3: Cross multiply
    1,691,895.42x = 2,536,829.34 × 538,643.58
  4. Step 4: Simplify right side
    1,691,895.42x = 1,366,446,837,546.64
  5. Step 5: Solve for x
    x = 1,366,446,837,546.64/1,691,895.42
  6. Step 6: Final answer
    x = 807,642.61

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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.