Home / 769,210.16-1,153,815.96-200,590.76

Finding the Fourth Proportional to 769,210.16, 1,153,815.96 and 200,590.76

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Solution

The fourth proportional to 769,210.16, 1,153,815.96 and 200,590.76 is: 300,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,210.16 : 1,153,815.96 = 200,590.76 : x
  2. Step 2: Convert to fraction form
    769,210.16/1,153,815.96 = 200,590.76/x
  3. Step 3: Cross multiply
    769,210.16x = 1,153,815.96 × 200,590.76
  4. Step 4: Simplify right side
    769,210.16x = 231,444,820,316.53
  5. Step 5: Solve for x
    x = 231,444,820,316.53/769,210.16
  6. Step 6: Final answer
    x = 300,886.33

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Double scale
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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.