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Finding the Fourth Proportional to 1,301,167, 1,796,718.54 and 818,539.84

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Solution

The fourth proportional to 1,301,167, 1,796,718.54 and 818,539.84 is: 1,130,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,167 : 1,796,718.54 = 818,539.84 : x
  2. Step 2: Convert to fraction form
    1,301,167/1,796,718.54 = 818,539.84/x
  3. Step 3: Cross multiply
    1,301,167x = 1,796,718.54 × 818,539.84
  4. Step 4: Simplify right side
    1,301,167x = 1,470,685,706,256.63
  5. Step 5: Solve for x
    x = 1,470,685,706,256.63/1,301,167
  6. Step 6: Final answer
    x = 1,130,282.05

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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.