Home / 746,543.20-1,119,814.80-247,907.20

Finding the Fourth Proportional to 746,543.20, 1,119,814.80 and 247,907.20

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Solution

The fourth proportional to 746,543.20, 1,119,814.80 and 247,907.20 is: 371,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,543.20 : 1,119,814.80 = 247,907.20 : x
  2. Step 2: Convert to fraction form
    746,543.20/1,119,814.80 = 247,907.20/x
  3. Step 3: Cross multiply
    746,543.20x = 1,119,814.80 × 247,907.20
  4. Step 4: Simplify right side
    746,543.20x = 277,610,151,586.56
  5. Step 5: Solve for x
    x = 277,610,151,586.56/746,543.20
  6. Step 6: Final answer
    x = 371,860.80

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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.