Home / 965,661.14-1,332,006.08-621,942.50

Finding the Fourth Proportional to 965,661.14, 1,332,006.08 and 621,942.50

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Solution

The fourth proportional to 965,661.14, 1,332,006.08 and 621,942.50 is: 857,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,661.14 : 1,332,006.08 = 621,942.50 : x
  2. Step 2: Convert to fraction form
    965,661.14/1,332,006.08 = 621,942.50/x
  3. Step 3: Cross multiply
    965,661.14x = 1,332,006.08 × 621,942.50
  4. Step 4: Simplify right side
    965,661.14x = 828,431,191,410.40
  5. Step 5: Solve for x
    x = 828,431,191,410.40/965,661.14
  6. Step 6: Final answer
    x = 857,890.16

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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.