Home / 645,190.58-967,795.02-245,853.23

Finding the Fourth Proportional to 645,190.58, 967,795.02 and 245,853.23

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Solution

The fourth proportional to 645,190.58, 967,795.02 and 245,853.23 is: 368,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,190.58 : 967,795.02 = 245,853.23 : x
  2. Step 2: Convert to fraction form
    645,190.58/967,795.02 = 245,853.23/x
  3. Step 3: Cross multiply
    645,190.58x = 967,795.02 × 245,853.23
  4. Step 4: Simplify right side
    645,190.58x = 237,935,526,805.94
  5. Step 5: Solve for x
    x = 237,935,526,805.94/645,190.58
  6. Step 6: Final answer
    x = 368,783.32

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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.