Home / 866,048.96-1,299,074.07-234,962.72

Finding the Fourth Proportional to 866,048.96, 1,299,074.07 and 234,962.72

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Solution

The fourth proportional to 866,048.96, 1,299,074.07 and 234,962.72 is: 352,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,048.96 : 1,299,074.07 = 234,962.72 : x
  2. Step 2: Convert to fraction form
    866,048.96/1,299,074.07 = 234,962.72/x
  3. Step 3: Cross multiply
    866,048.96x = 1,299,074.07 × 234,962.72
  4. Step 4: Simplify right side
    866,048.96x = 305,233,976,968.67
  5. Step 5: Solve for x
    x = 305,233,976,968.67/866,048.96
  6. Step 6: Final answer
    x = 352,444.25

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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.