Home / 889,315.83-1,333,975.57-416,333.34

Finding the Fourth Proportional to 889,315.83, 1,333,975.57 and 416,333.34

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Solution

The fourth proportional to 889,315.83, 1,333,975.57 and 416,333.34 is: 624,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,315.83 : 1,333,975.57 = 416,333.34 : x
  2. Step 2: Convert to fraction form
    889,315.83/1,333,975.57 = 416,333.34/x
  3. Step 3: Cross multiply
    889,315.83x = 1,333,975.57 × 416,333.34
  4. Step 4: Simplify right side
    889,315.83x = 555,378,503,495.67
  5. Step 5: Solve for x
    x = 555,378,503,495.67/889,315.83
  6. Step 6: Final answer
    x = 624,500.86

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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.