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Finding the Fourth Proportional to 1,169,808.56, 1,754,712.64 and 637,777

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Solution

The fourth proportional to 1,169,808.56, 1,754,712.64 and 637,777 is: 956,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,808.56 : 1,754,712.64 = 637,777 : x
  2. Step 2: Convert to fraction form
    1,169,808.56/1,754,712.64 = 637,777/x
  3. Step 3: Cross multiply
    1,169,808.56x = 1,754,712.64 × 637,777
  4. Step 4: Simplify right side
    1,169,808.56x = 1,119,115,363,401.28
  5. Step 5: Solve for x
    x = 1,119,115,363,401.28/1,169,808.56
  6. Step 6: Final answer
    x = 956,665.39

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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.