Home / 656,913.70-985,064.28-341,285.86

Finding the Fourth Proportional to 656,913.70, 985,064.28 and 341,285.86

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Solution

The fourth proportional to 656,913.70, 985,064.28 and 341,285.86 is: 511,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,913.70 : 985,064.28 = 341,285.86 : x
  2. Step 2: Convert to fraction form
    656,913.70/985,064.28 = 341,285.86/x
  3. Step 3: Cross multiply
    656,913.70x = 985,064.28 × 341,285.86
  4. Step 4: Simplify right side
    656,913.70x = 336,188,509,955.08
  5. Step 5: Solve for x
    x = 336,188,509,955.08/656,913.70
  6. Step 6: Final answer
    x = 511,769.67

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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.