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Finding the Fourth Proportional to 1,165,957.48, 1,744,985.96 and 716,962.76

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Solution

The fourth proportional to 1,165,957.48, 1,744,985.96 and 716,962.76 is: 1,073,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,957.48 : 1,744,985.96 = 716,962.76 : x
  2. Step 2: Convert to fraction form
    1,165,957.48/1,744,985.96 = 716,962.76/x
  3. Step 3: Cross multiply
    1,165,957.48x = 1,744,985.96 × 716,962.76
  4. Step 4: Simplify right side
    1,165,957.48x = 1,251,089,950,042.85
  5. Step 5: Solve for x
    x = 1,251,089,950,042.85/1,165,957.48
  6. Step 6: Final answer
    x = 1,073,015.07

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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.