Home / 656,895.40-985,112.70-341,247.40

Finding the Fourth Proportional to 656,895.40, 985,112.70 and 341,247.40

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Solution

The fourth proportional to 656,895.40, 985,112.70 and 341,247.40 is: 511,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,895.40 : 985,112.70 = 341,247.40 : x
  2. Step 2: Convert to fraction form
    656,895.40/985,112.70 = 341,247.40/x
  3. Step 3: Cross multiply
    656,895.40x = 985,112.70 × 341,247.40
  4. Step 4: Simplify right side
    656,895.40x = 336,167,147,581.98
  5. Step 5: Solve for x
    x = 336,167,147,581.98/656,895.40
  6. Step 6: Final answer
    x = 511,751.41

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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.