Home / 889,171.18-1,333,757.74-416,188.69

Finding the Fourth Proportional to 889,171.18, 1,333,757.74 and 416,188.69

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Solution

The fourth proportional to 889,171.18, 1,333,757.74 and 416,188.69 is: 624,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,171.18 : 1,333,757.74 = 416,188.69 : x
  2. Step 2: Convert to fraction form
    889,171.18/1,333,757.74 = 416,188.69/x
  3. Step 3: Cross multiply
    889,171.18x = 1,333,757.74 × 416,188.69
  4. Step 4: Simplify right side
    889,171.18x = 555,094,886,587.96
  5. Step 5: Solve for x
    x = 555,094,886,587.96/889,171.18
  6. Step 6: Final answer
    x = 624,283.49

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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.