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Finding the Fourth Proportional to 882,113.76, 1,323,180.86 and 839,090

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Solution

The fourth proportional to 882,113.76, 1,323,180.86 and 839,090 is: 1,258,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,113.76 : 1,323,180.86 = 839,090 : x
  2. Step 2: Convert to fraction form
    882,113.76/1,323,180.86 = 839,090/x
  3. Step 3: Cross multiply
    882,113.76x = 1,323,180.86 × 839,090
  4. Step 4: Simplify right side
    882,113.76x = 1,110,267,827,817.40
  5. Step 5: Solve for x
    x = 1,110,267,827,817.40/882,113.76
  6. Step 6: Final answer
    x = 1,258,644.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.