Home / 779,626.13-1,169,439.21-188,650.13

Finding the Fourth Proportional to 779,626.13, 1,169,439.21 and 188,650.13

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Solution

The fourth proportional to 779,626.13, 1,169,439.21 and 188,650.13 is: 282,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,626.13 : 1,169,439.21 = 188,650.13 : x
  2. Step 2: Convert to fraction form
    779,626.13/1,169,439.21 = 188,650.13/x
  3. Step 3: Cross multiply
    779,626.13x = 1,169,439.21 × 188,650.13
  4. Step 4: Simplify right side
    779,626.13x = 220,614,853,146.40
  5. Step 5: Solve for x
    x = 220,614,853,146.40/779,626.13
  6. Step 6: Final answer
    x = 282,975.19

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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.