Home / 1,103,263.40-1,522,410.18-619,790.60

Finding the Fourth Proportional to 1,103,263.40, 1,522,410.18 and 619,790.60

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Solution

The fourth proportional to 1,103,263.40, 1,522,410.18 and 619,790.60 is: 855,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,263.40 : 1,522,410.18 = 619,790.60 : x
  2. Step 2: Convert to fraction form
    1,103,263.40/1,522,410.18 = 619,790.60/x
  3. Step 3: Cross multiply
    1,103,263.40x = 1,522,410.18 × 619,790.60
  4. Step 4: Simplify right side
    1,103,263.40x = 943,575,518,908.31
  5. Step 5: Solve for x
    x = 943,575,518,908.31/1,103,263.40
  6. Step 6: Final answer
    x = 855,258.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.