Home / 946,041.71-1,306,623.61-689,063.54

Finding the Fourth Proportional to 946,041.71, 1,306,623.61 and 689,063.54

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Solution

The fourth proportional to 946,041.71, 1,306,623.61 and 689,063.54 is: 951,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,041.71 : 1,306,623.61 = 689,063.54 : x
  2. Step 2: Convert to fraction form
    946,041.71/1,306,623.61 = 689,063.54/x
  3. Step 3: Cross multiply
    946,041.71x = 1,306,623.61 × 689,063.54
  4. Step 4: Simplify right side
    946,041.71x = 900,346,694,282.07
  5. Step 5: Solve for x
    x = 900,346,694,282.07/946,041.71
  6. Step 6: Final answer
    x = 951,698.73

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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.