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Finding the Fourth Proportional to 956,881.60, 1,434,010.20 and 779,734.60

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Solution

The fourth proportional to 956,881.60, 1,434,010.20 and 779,734.60 is: 1,168,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,881.60 : 1,434,010.20 = 779,734.60 : x
  2. Step 2: Convert to fraction form
    956,881.60/1,434,010.20 = 779,734.60/x
  3. Step 3: Cross multiply
    956,881.60x = 1,434,010.20 × 779,734.60
  4. Step 4: Simplify right side
    956,881.60x = 1,118,147,369,692.92
  5. Step 5: Solve for x
    x = 1,118,147,369,692.92/956,881.60
  6. Step 6: Final answer
    x = 1,168,532.63

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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.