Home / 742,800.30-1,114,200.45-244,164.30

Finding the Fourth Proportional to 742,800.30, 1,114,200.45 and 244,164.30

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Solution

The fourth proportional to 742,800.30, 1,114,200.45 and 244,164.30 is: 366,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,800.30 : 1,114,200.45 = 244,164.30 : x
  2. Step 2: Convert to fraction form
    742,800.30/1,114,200.45 = 244,164.30/x
  3. Step 3: Cross multiply
    742,800.30x = 1,114,200.45 × 244,164.30
  4. Step 4: Simplify right side
    742,800.30x = 272,047,972,933.94
  5. Step 5: Solve for x
    x = 272,047,972,933.94/742,800.30
  6. Step 6: Final answer
    x = 366,246.45

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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.