Home / 1,213,503.20-1,819,781.63-454,931.20

Finding the Fourth Proportional to 1,213,503.20, 1,819,781.63 and 454,931.20

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Solution

The fourth proportional to 1,213,503.20, 1,819,781.63 and 454,931.20 is: 682,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,503.20 : 1,819,781.63 = 454,931.20 : x
  2. Step 2: Convert to fraction form
    1,213,503.20/1,819,781.63 = 454,931.20/x
  3. Step 3: Cross multiply
    1,213,503.20x = 1,819,781.63 × 454,931.20
  4. Step 4: Simplify right side
    1,213,503.20x = 827,875,434,062.95
  5. Step 5: Solve for x
    x = 827,875,434,062.95/1,213,503.20
  6. Step 6: Final answer
    x = 682,219.41

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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.