Home / 1,243,660.72-1,716,099.20-784,602.16

Finding the Fourth Proportional to 1,243,660.72, 1,716,099.20 and 784,602.16

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Solution

The fourth proportional to 1,243,660.72, 1,716,099.20 and 784,602.16 is: 1,082,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,660.72 : 1,716,099.20 = 784,602.16 : x
  2. Step 2: Convert to fraction form
    1,243,660.72/1,716,099.20 = 784,602.16/x
  3. Step 3: Cross multiply
    1,243,660.72x = 1,716,099.20 × 784,602.16
  4. Step 4: Simplify right side
    1,243,660.72x = 1,346,455,139,094.27
  5. Step 5: Solve for x
    x = 1,346,455,139,094.27/1,243,660.72
  6. Step 6: Final answer
    x = 1,082,654.71

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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.