Home / 672,028.54-1,007,692.83-316,947.22

Finding the Fourth Proportional to 672,028.54, 1,007,692.83 and 316,947.22

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Solution

The fourth proportional to 672,028.54, 1,007,692.83 and 316,947.22 is: 475,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,028.54 : 1,007,692.83 = 316,947.22 : x
  2. Step 2: Convert to fraction form
    672,028.54/1,007,692.83 = 316,947.22/x
  3. Step 3: Cross multiply
    672,028.54x = 1,007,692.83 × 316,947.22
  4. Step 4: Simplify right side
    672,028.54x = 319,385,441,082.43
  5. Step 5: Solve for x
    x = 319,385,441,082.43/672,028.54
  6. Step 6: Final answer
    x = 475,255.77

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1.5x scale

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.