Home / 889,975.28-1,334,962.92-416,993.60

Finding the Fourth Proportional to 889,975.28, 1,334,962.92 and 416,993.60

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Solution

The fourth proportional to 889,975.28, 1,334,962.92 and 416,993.60 is: 625,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,975.28 : 1,334,962.92 = 416,993.60 : x
  2. Step 2: Convert to fraction form
    889,975.28/1,334,962.92 = 416,993.60/x
  3. Step 3: Cross multiply
    889,975.28x = 1,334,962.92 × 416,993.60
  4. Step 4: Simplify right side
    889,975.28x = 556,670,993,877.31
  5. Step 5: Solve for x
    x = 556,670,993,877.31/889,975.28
  6. Step 6: Final answer
    x = 625,490.40

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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.