Home / 1,108,055.20-1,662,169.20-476,989.60

Finding the Fourth Proportional to 1,108,055.20, 1,662,169.20 and 476,989.60

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Solution

The fourth proportional to 1,108,055.20, 1,662,169.20 and 476,989.60 is: 715,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,055.20 : 1,662,169.20 = 476,989.60 : x
  2. Step 2: Convert to fraction form
    1,108,055.20/1,662,169.20 = 476,989.60/x
  3. Step 3: Cross multiply
    1,108,055.20x = 1,662,169.20 × 476,989.60
  4. Step 4: Simplify right side
    1,108,055.20x = 792,837,421,840.32
  5. Step 5: Solve for x
    x = 792,837,421,840.32/1,108,055.20
  6. Step 6: Final answer
    x = 715,521.59

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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.