Home / 1,201,503.20-1,802,254.80-632,105.60

Finding the Fourth Proportional to 1,201,503.20, 1,802,254.80 and 632,105.60

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Solution

The fourth proportional to 1,201,503.20, 1,802,254.80 and 632,105.60 is: 948,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,503.20 : 1,802,254.80 = 632,105.60 : x
  2. Step 2: Convert to fraction form
    1,201,503.20/1,802,254.80 = 632,105.60/x
  3. Step 3: Cross multiply
    1,201,503.20x = 1,802,254.80 × 632,105.60
  4. Step 4: Simplify right side
    1,201,503.20x = 1,139,215,351,706.88
  5. Step 5: Solve for x
    x = 1,139,215,351,706.88/1,201,503.20
  6. Step 6: Final answer
    x = 948,158.40

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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.