Home / 1,173,197.60-1,619,012.52-636,653.60

Finding the Fourth Proportional to 1,173,197.60, 1,619,012.52 and 636,653.60

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Solution

The fourth proportional to 1,173,197.60, 1,619,012.52 and 636,653.60 is: 878,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,197.60 : 1,619,012.52 = 636,653.60 : x
  2. Step 2: Convert to fraction form
    1,173,197.60/1,619,012.52 = 636,653.60/x
  3. Step 3: Cross multiply
    1,173,197.60x = 1,619,012.52 × 636,653.60
  4. Step 4: Simplify right side
    1,173,197.60x = 1,030,750,149,303.07
  5. Step 5: Solve for x
    x = 1,030,750,149,303.07/1,173,197.60
  6. Step 6: Final answer
    x = 878,581.88

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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.