Home / 1,217,833.20-1,827,268.20-768,898.80

Finding the Fourth Proportional to 1,217,833.20, 1,827,268.20 and 768,898.80

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Solution

The fourth proportional to 1,217,833.20, 1,827,268.20 and 768,898.80 is: 1,153,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,833.20 : 1,827,268.20 = 768,898.80 : x
  2. Step 2: Convert to fraction form
    1,217,833.20/1,827,268.20 = 768,898.80/x
  3. Step 3: Cross multiply
    1,217,833.20x = 1,827,268.20 × 768,898.80
  4. Step 4: Simplify right side
    1,217,833.20x = 1,404,984,326,258.16
  5. Step 5: Solve for x
    x = 1,404,984,326,258.16/1,217,833.20
  6. Step 6: Final answer
    x = 1,153,675.50

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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.