Home / 1,213,541.53-1,674,656.44-669,670.20

Finding the Fourth Proportional to 1,213,541.53, 1,674,656.44 and 669,670.20

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Solution

The fourth proportional to 1,213,541.53, 1,674,656.44 and 669,670.20 is: 924,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,541.53 : 1,674,656.44 = 669,670.20 : x
  2. Step 2: Convert to fraction form
    1,213,541.53/1,674,656.44 = 669,670.20/x
  3. Step 3: Cross multiply
    1,213,541.53x = 1,674,656.44 × 669,670.20
  4. Step 4: Simplify right side
    1,213,541.53x = 1,121,467,511,431.91
  5. Step 5: Solve for x
    x = 1,121,467,511,431.91/1,213,541.53
  6. Step 6: Final answer
    x = 924,127.84

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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.