Home / 1,221,094.08-1,831,181.04-511,171.20

Finding the Fourth Proportional to 1,221,094.08, 1,831,181.04 and 511,171.20

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Solution

The fourth proportional to 1,221,094.08, 1,831,181.04 and 511,171.20 is: 766,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,094.08 : 1,831,181.04 = 511,171.20 : x
  2. Step 2: Convert to fraction form
    1,221,094.08/1,831,181.04 = 511,171.20/x
  3. Step 3: Cross multiply
    1,221,094.08x = 1,831,181.04 × 511,171.20
  4. Step 4: Simplify right side
    1,221,094.08x = 936,047,009,634.05
  5. Step 5: Solve for x
    x = 936,047,009,634.05/1,221,094.08
  6. Step 6: Final answer
    x = 766,564.20

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Double scale
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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.