Home / 628,001.10-942,001.65-622,096.20

Finding the Fourth Proportional to 628,001.10, 942,001.65 and 622,096.20

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Solution

The fourth proportional to 628,001.10, 942,001.65 and 622,096.20 is: 933,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,001.10 : 942,001.65 = 622,096.20 : x
  2. Step 2: Convert to fraction form
    628,001.10/942,001.65 = 622,096.20/x
  3. Step 3: Cross multiply
    628,001.10x = 942,001.65 × 622,096.20
  4. Step 4: Simplify right side
    628,001.10x = 586,015,646,858.73
  5. Step 5: Solve for x
    x = 586,015,646,858.73/628,001.10
  6. Step 6: Final answer
    x = 933,144.30

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Half scale
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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.