Home / 1,256,356.66-1,885,157.72-498,181.88

Finding the Fourth Proportional to 1,256,356.66, 1,885,157.72 and 498,181.88

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Solution

The fourth proportional to 1,256,356.66, 1,885,157.72 and 498,181.88 is: 747,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,356.66 : 1,885,157.72 = 498,181.88 : x
  2. Step 2: Convert to fraction form
    1,256,356.66/1,885,157.72 = 498,181.88/x
  3. Step 3: Cross multiply
    1,256,356.66x = 1,885,157.72 × 498,181.88
  4. Step 4: Simplify right side
    1,256,356.66x = 939,151,417,046.11
  5. Step 5: Solve for x
    x = 939,151,417,046.11/1,256,356.66
  6. Step 6: Final answer
    x = 747,519.75

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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.