Home / 746,529.30-1,119,793.95-447,930.90

Finding the Fourth Proportional to 746,529.30, 1,119,793.95 and 447,930.90

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Solution

The fourth proportional to 746,529.30, 1,119,793.95 and 447,930.90 is: 671,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,529.30 : 1,119,793.95 = 447,930.90 : x
  2. Step 2: Convert to fraction form
    746,529.30/1,119,793.95 = 447,930.90/x
  3. Step 3: Cross multiply
    746,529.30x = 1,119,793.95 × 447,930.90
  4. Step 4: Simplify right side
    746,529.30x = 501,590,311,838.06
  5. Step 5: Solve for x
    x = 501,590,311,838.06/746,529.30
  6. Step 6: Final answer
    x = 671,896.35

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Double scale
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Similar ratio
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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.