Home / 779,953.66-1,169,930.85-281,317.66

Finding the Fourth Proportional to 779,953.66, 1,169,930.85 and 281,317.66

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Solution

The fourth proportional to 779,953.66, 1,169,930.85 and 281,317.66 is: 421,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,953.66 : 1,169,930.85 = 281,317.66 : x
  2. Step 2: Convert to fraction form
    779,953.66/1,169,930.85 = 281,317.66/x
  3. Step 3: Cross multiply
    779,953.66x = 1,169,930.85 × 281,317.66
  4. Step 4: Simplify right side
    779,953.66x = 329,122,209,083.81
  5. Step 5: Solve for x
    x = 329,122,209,083.81/779,953.66
  6. Step 6: Final answer
    x = 421,976.62

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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.