Home / 1,100,097.60-1,518,150.24-670,395.84

Finding the Fourth Proportional to 1,100,097.60, 1,518,150.24 and 670,395.84

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Solution

The fourth proportional to 1,100,097.60, 1,518,150.24 and 670,395.84 is: 925,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,097.60 : 1,518,150.24 = 670,395.84 : x
  2. Step 2: Convert to fraction form
    1,100,097.60/1,518,150.24 = 670,395.84/x
  3. Step 3: Cross multiply
    1,100,097.60x = 1,518,150.24 × 670,395.84
  4. Step 4: Simplify right side
    1,100,097.60x = 1,017,761,605,391.00
  5. Step 5: Solve for x
    x = 1,017,761,605,391.00/1,100,097.60
  6. Step 6: Final answer
    x = 925,155.74

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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.