Home / 1,256,362.66-1,885,166.72-498,187.88

Finding the Fourth Proportional to 1,256,362.66, 1,885,166.72 and 498,187.88

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Solution

The fourth proportional to 1,256,362.66, 1,885,166.72 and 498,187.88 is: 747,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,362.66 : 1,885,166.72 = 498,187.88 : x
  2. Step 2: Convert to fraction form
    1,256,362.66/1,885,166.72 = 498,187.88/x
  3. Step 3: Cross multiply
    1,256,362.66x = 1,885,166.72 × 498,187.88
  4. Step 4: Simplify right side
    1,256,362.66x = 939,167,211,683.35
  5. Step 5: Solve for x
    x = 939,167,211,683.35/1,256,362.66
  6. Step 6: Final answer
    x = 747,528.75

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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.