Home / 746,458.80-1,119,688.20-247,822.80

Finding the Fourth Proportional to 746,458.80, 1,119,688.20 and 247,822.80

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Solution

The fourth proportional to 746,458.80, 1,119,688.20 and 247,822.80 is: 371,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,458.80 : 1,119,688.20 = 247,822.80 : x
  2. Step 2: Convert to fraction form
    746,458.80/1,119,688.20 = 247,822.80/x
  3. Step 3: Cross multiply
    746,458.80x = 1,119,688.20 × 247,822.80
  4. Step 4: Simplify right side
    746,458.80x = 277,484,264,850.96
  5. Step 5: Solve for x
    x = 277,484,264,850.96/746,458.80
  6. Step 6: Final answer
    x = 371,734.20

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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.