Home / 1,705,977.56-2,558,969.64-443,803.16

Finding the Fourth Proportional to 1,705,977.56, 2,558,969.64 and 443,803.16

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Solution

The fourth proportional to 1,705,977.56, 2,558,969.64 and 443,803.16 is: 665,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,977.56 : 2,558,969.64 = 443,803.16 : x
  2. Step 2: Convert to fraction form
    1,705,977.56/2,558,969.64 = 443,803.16/x
  3. Step 3: Cross multiply
    1,705,977.56x = 2,558,969.64 × 443,803.16
  4. Step 4: Simplify right side
    1,705,977.56x = 1,135,678,812,576.06
  5. Step 5: Solve for x
    x = 1,135,678,812,576.06/1,705,977.56
  6. Step 6: Final answer
    x = 665,705.60

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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.