Home / 841,120.38-1,261,680.39-464,436.18

Finding the Fourth Proportional to 841,120.38, 1,261,680.39 and 464,436.18

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Solution

The fourth proportional to 841,120.38, 1,261,680.39 and 464,436.18 is: 696,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,120.38 : 1,261,680.39 = 464,436.18 : x
  2. Step 2: Convert to fraction form
    841,120.38/1,261,680.39 = 464,436.18/x
  3. Step 3: Cross multiply
    841,120.38x = 1,261,680.39 × 464,436.18
  4. Step 4: Simplify right side
    841,120.38x = 585,970,020,712.51
  5. Step 5: Solve for x
    x = 585,970,020,712.51/841,120.38
  6. Step 6: Final answer
    x = 696,654.17

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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.