Home / 784,409.96-1,082,126.22-461,965.70

Finding the Fourth Proportional to 784,409.96, 1,082,126.22 and 461,965.70

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Solution

The fourth proportional to 784,409.96, 1,082,126.22 and 461,965.70 is: 637,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,409.96 : 1,082,126.22 = 461,965.70 : x
  2. Step 2: Convert to fraction form
    784,409.96/1,082,126.22 = 461,965.70/x
  3. Step 3: Cross multiply
    784,409.96x = 1,082,126.22 × 461,965.70
  4. Step 4: Simplify right side
    784,409.96x = 499,905,196,710.65
  5. Step 5: Solve for x
    x = 499,905,196,710.65/784,409.96
  6. Step 6: Final answer
    x = 637,300.93

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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.