Home / 784,407.96-1,082,123.46-461,963.70

Finding the Fourth Proportional to 784,407.96, 1,082,123.46 and 461,963.70

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Solution

The fourth proportional to 784,407.96, 1,082,123.46 and 461,963.70 is: 637,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,407.96 : 1,082,123.46 = 461,963.70 : x
  2. Step 2: Convert to fraction form
    784,407.96/1,082,123.46 = 461,963.70/x
  3. Step 3: Cross multiply
    784,407.96x = 1,082,123.46 × 461,963.70
  4. Step 4: Simplify right side
    784,407.96x = 499,901,757,438.40
  5. Step 5: Solve for x
    x = 499,901,757,438.40/784,407.96
  6. Step 6: Final answer
    x = 637,298.17

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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.