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Finding the Fourth Proportional to 1,784,692.86, 2,462,918.99 and 968,930.93

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Solution

The fourth proportional to 1,784,692.86, 2,462,918.99 and 968,930.93 is: 1,337,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,692.86 : 2,462,918.99 = 968,930.93 : x
  2. Step 2: Convert to fraction form
    1,784,692.86/2,462,918.99 = 968,930.93/x
  3. Step 3: Cross multiply
    1,784,692.86x = 2,462,918.99 × 968,930.93
  4. Step 4: Simplify right side
    1,784,692.86x = 2,386,398,370,336.11
  5. Step 5: Solve for x
    x = 2,386,398,370,336.11/1,784,692.86
  6. Step 6: Final answer
    x = 1,337,147.93

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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.