Home / 1,134,112.80-1,701,825.30-424,212.60

Finding the Fourth Proportional to 1,134,112.80, 1,701,825.30 and 424,212.60

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Solution

The fourth proportional to 1,134,112.80, 1,701,825.30 and 424,212.60 is: 636,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,112.80 : 1,701,825.30 = 424,212.60 : x
  2. Step 2: Convert to fraction form
    1,134,112.80/1,701,825.30 = 424,212.60/x
  3. Step 3: Cross multiply
    1,134,112.80x = 1,701,825.30 × 424,212.60
  4. Step 4: Simplify right side
    1,134,112.80x = 721,935,735,258.78
  5. Step 5: Solve for x
    x = 721,935,735,258.78/1,134,112.80
  6. Step 6: Final answer
    x = 636,564.31

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1.5x scale

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.