Home / 916,072.44-1,374,117.48-347,300.58

Finding the Fourth Proportional to 916,072.44, 1,374,117.48 and 347,300.58

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Solution

The fourth proportional to 916,072.44, 1,374,117.48 and 347,300.58 is: 520,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,072.44 : 1,374,117.48 = 347,300.58 : x
  2. Step 2: Convert to fraction form
    916,072.44/1,374,117.48 = 347,300.58/x
  3. Step 3: Cross multiply
    916,072.44x = 1,374,117.48 × 347,300.58
  4. Step 4: Simplify right side
    916,072.44x = 477,231,797,792.14
  5. Step 5: Solve for x
    x = 477,231,797,792.14/916,072.44
  6. Step 6: Final answer
    x = 520,954.21

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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.