Home / 1,100,533.20-1,518,704.24-670,656.48

Finding the Fourth Proportional to 1,100,533.20, 1,518,704.24 and 670,656.48

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Solution

The fourth proportional to 1,100,533.20, 1,518,704.24 and 670,656.48 is: 925,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,533.20 : 1,518,704.24 = 670,656.48 : x
  2. Step 2: Convert to fraction form
    1,100,533.20/1,518,704.24 = 670,656.48/x
  3. Step 3: Cross multiply
    1,100,533.20x = 1,518,704.24 × 670,656.48
  4. Step 4: Simplify right side
    1,100,533.20x = 1,018,528,839,759.48
  5. Step 5: Solve for x
    x = 1,018,528,839,759.48/1,100,533.20
  6. Step 6: Final answer
    x = 925,486.70

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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.