Home / 1,185,327.74-1,635,752.16-641,463.53

Finding the Fourth Proportional to 1,185,327.74, 1,635,752.16 and 641,463.53

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Solution

The fourth proportional to 1,185,327.74, 1,635,752.16 and 641,463.53 is: 885,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,327.74 : 1,635,752.16 = 641,463.53 : x
  2. Step 2: Convert to fraction form
    1,185,327.74/1,635,752.16 = 641,463.53/x
  3. Step 3: Cross multiply
    1,185,327.74x = 1,635,752.16 × 641,463.53
  4. Step 4: Simplify right side
    1,185,327.74x = 1,049,275,346,579.96
  5. Step 5: Solve for x
    x = 1,049,275,346,579.96/1,185,327.74
  6. Step 6: Final answer
    x = 885,219.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.