Home / 855,687.08-1,180,865.58-511,877.72

Finding the Fourth Proportional to 855,687.08, 1,180,865.58 and 511,877.72

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Solution

The fourth proportional to 855,687.08, 1,180,865.58 and 511,877.72 is: 706,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,687.08 : 1,180,865.58 = 511,877.72 : x
  2. Step 2: Convert to fraction form
    855,687.08/1,180,865.58 = 511,877.72/x
  3. Step 3: Cross multiply
    855,687.08x = 1,180,865.58 × 511,877.72
  4. Step 4: Simplify right side
    855,687.08x = 604,458,780,716.88
  5. Step 5: Solve for x
    x = 604,458,780,716.88/855,687.08
  6. Step 6: Final answer
    x = 706,401.67

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1.5x scale

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.