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Finding the Fourth Proportional to 1,237,983.62, 1,708,009 and 747,770

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Solution

The fourth proportional to 1,237,983.62, 1,708,009 and 747,770 is: 1,031,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,983.62 : 1,708,009 = 747,770 : x
  2. Step 2: Convert to fraction form
    1,237,983.62/1,708,009 = 747,770/x
  3. Step 3: Cross multiply
    1,237,983.62x = 1,708,009 × 747,770
  4. Step 4: Simplify right side
    1,237,983.62x = 1,277,197,889,930
  5. Step 5: Solve for x
    x = 1,277,197,889,930/1,237,983.62
  6. Step 6: Final answer
    x = 1,031,675.92

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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.