Home / 657,308.56-985,962.84-214,076.56

Finding the Fourth Proportional to 657,308.56, 985,962.84 and 214,076.56

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Solution

The fourth proportional to 657,308.56, 985,962.84 and 214,076.56 is: 321,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,308.56 : 985,962.84 = 214,076.56 : x
  2. Step 2: Convert to fraction form
    657,308.56/985,962.84 = 214,076.56/x
  3. Step 3: Cross multiply
    657,308.56x = 985,962.84 × 214,076.56
  4. Step 4: Simplify right side
    657,308.56x = 211,071,533,075.03
  5. Step 5: Solve for x
    x = 211,071,533,075.03/657,308.56
  6. Step 6: Final answer
    x = 321,114.84

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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.