Home / 889,318.71-1,333,979.88-416,336.22

Finding the Fourth Proportional to 889,318.71, 1,333,979.88 and 416,336.22

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Solution

The fourth proportional to 889,318.71, 1,333,979.88 and 416,336.22 is: 624,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,318.71 : 1,333,979.88 = 416,336.22 : x
  2. Step 2: Convert to fraction form
    889,318.71/1,333,979.88 = 416,336.22/x
  3. Step 3: Cross multiply
    889,318.71x = 1,333,979.88 × 416,336.22
  4. Step 4: Simplify right side
    889,318.71x = 555,384,140,795.25
  5. Step 5: Solve for x
    x = 555,384,140,795.25/889,318.71
  6. Step 6: Final answer
    x = 624,505.18

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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.