Home / 412,848.40-619,272.60-360,360.40

Finding the Fourth Proportional to 412,848.40, 619,272.60 and 360,360.40

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Solution

The fourth proportional to 412,848.40, 619,272.60 and 360,360.40 is: 540,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,848.40 : 619,272.60 = 360,360.40 : x
  2. Step 2: Convert to fraction form
    412,848.40/619,272.60 = 360,360.40/x
  3. Step 3: Cross multiply
    412,848.40x = 619,272.60 × 360,360.40
  4. Step 4: Simplify right side
    412,848.40x = 223,161,321,845.04
  5. Step 5: Solve for x
    x = 223,161,321,845.04/412,848.40
  6. Step 6: Final answer
    x = 540,540.60

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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.