Home / 1,010,873.52-1,515,416.76-412,335.36

Finding the Fourth Proportional to 1,010,873.52, 1,515,416.76 and 412,335.36

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Solution

The fourth proportional to 1,010,873.52, 1,515,416.76 and 412,335.36 is: 618,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,873.52 : 1,515,416.76 = 412,335.36 : x
  2. Step 2: Convert to fraction form
    1,010,873.52/1,515,416.76 = 412,335.36/x
  3. Step 3: Cross multiply
    1,010,873.52x = 1,515,416.76 × 412,335.36
  4. Step 4: Simplify right side
    1,010,873.52x = 624,859,915,284.63
  5. Step 5: Solve for x
    x = 624,859,915,284.63/1,010,873.52
  6. Step 6: Final answer
    x = 618,138.57

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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.