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Finding the Fourth Proportional to 1,168,062.76, 1,611,926.34 and 658,764.04

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Solution

The fourth proportional to 1,168,062.76, 1,611,926.34 and 658,764.04 is: 909,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,062.76 : 1,611,926.34 = 658,764.04 : x
  2. Step 2: Convert to fraction form
    1,168,062.76/1,611,926.34 = 658,764.04/x
  3. Step 3: Cross multiply
    1,168,062.76x = 1,611,926.34 × 658,764.04
  4. Step 4: Simplify right side
    1,168,062.76x = 1,061,879,107,920.81
  5. Step 5: Solve for x
    x = 1,061,879,107,920.81/1,168,062.76
  6. Step 6: Final answer
    x = 909,094.22

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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.