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Finding the Fourth Proportional to 1,237,689, 1,708,010.82 and 701,145

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Solution

The fourth proportional to 1,237,689, 1,708,010.82 and 701,145 is: 967,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,689 : 1,708,010.82 = 701,145 : x
  2. Step 2: Convert to fraction form
    1,237,689/1,708,010.82 = 701,145/x
  3. Step 3: Cross multiply
    1,237,689x = 1,708,010.82 × 701,145
  4. Step 4: Simplify right side
    1,237,689x = 1,197,563,246,388.90
  5. Step 5: Solve for x
    x = 1,197,563,246,388.90/1,237,689
  6. Step 6: Final answer
    x = 967,580.10

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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.