Home / 2,059,225.40-3,089,129.70-639,133.40

Finding the Fourth Proportional to 2,059,225.40, 3,089,129.70 and 639,133.40

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Solution

The fourth proportional to 2,059,225.40, 3,089,129.70 and 639,133.40 is: 958,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,225.40 : 3,089,129.70 = 639,133.40 : x
  2. Step 2: Convert to fraction form
    2,059,225.40/3,089,129.70 = 639,133.40/x
  3. Step 3: Cross multiply
    2,059,225.40x = 3,089,129.70 × 639,133.40
  4. Step 4: Simplify right side
    2,059,225.40x = 1,974,365,968,201.98
  5. Step 5: Solve for x
    x = 1,974,365,968,201.98/2,059,225.40
  6. Step 6: Final answer
    x = 958,790.61

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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.