Home / 1,180,881.60-1,771,495.20-619,958.40

Finding the Fourth Proportional to 1,180,881.60, 1,771,495.20 and 619,958.40

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Solution

The fourth proportional to 1,180,881.60, 1,771,495.20 and 619,958.40 is: 930,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,881.60 : 1,771,495.20 = 619,958.40 : x
  2. Step 2: Convert to fraction form
    1,180,881.60/1,771,495.20 = 619,958.40/x
  3. Step 3: Cross multiply
    1,180,881.60x = 1,771,495.20 × 619,958.40
  4. Step 4: Simplify right side
    1,180,881.60x = 1,098,253,329,799.68
  5. Step 5: Solve for x
    x = 1,098,253,329,799.68/1,180,881.60
  6. Step 6: Final answer
    x = 930,028.32

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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.