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Finding the Fourth Proportional to 1,502,689, 2,073,710.84 and 823,610.92

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Solution

The fourth proportional to 1,502,689, 2,073,710.84 and 823,610.92 is: 1,136,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,689 : 2,073,710.84 = 823,610.92 : x
  2. Step 2: Convert to fraction form
    1,502,689/2,073,710.84 = 823,610.92/x
  3. Step 3: Cross multiply
    1,502,689x = 2,073,710.84 × 823,610.92
  4. Step 4: Simplify right side
    1,502,689x = 1,707,930,892,746.37
  5. Step 5: Solve for x
    x = 1,707,930,892,746.37/1,502,689
  6. Step 6: Final answer
    x = 1,136,583.08

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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.