Home / 816,186.20-1,224,279.30-606,234.20

Finding the Fourth Proportional to 816,186.20, 1,224,279.30 and 606,234.20

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Solution

The fourth proportional to 816,186.20, 1,224,279.30 and 606,234.20 is: 909,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,186.20 : 1,224,279.30 = 606,234.20 : x
  2. Step 2: Convert to fraction form
    816,186.20/1,224,279.30 = 606,234.20/x
  3. Step 3: Cross multiply
    816,186.20x = 1,224,279.30 × 606,234.20
  4. Step 4: Simplify right side
    816,186.20x = 742,199,982,012.06
  5. Step 5: Solve for x
    x = 742,199,982,012.06/816,186.20
  6. Step 6: Final answer
    x = 909,351.30

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Half scale
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Double scale
Find fourth proportional to 816,187.20, 1,224,280.80 and 606,235.20
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.