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Finding the Fourth Proportional to 1,402,283.73, 1,934,822.03 and 850,986.95

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Solution

The fourth proportional to 1,402,283.73, 1,934,822.03 and 850,986.95 is: 1,174,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,283.73 : 1,934,822.03 = 850,986.95 : x
  2. Step 2: Convert to fraction form
    1,402,283.73/1,934,822.03 = 850,986.95/x
  3. Step 3: Cross multiply
    1,402,283.73x = 1,934,822.03 × 850,986.95
  4. Step 4: Simplify right side
    1,402,283.73x = 1,646,508,294,981.46
  5. Step 5: Solve for x
    x = 1,646,508,294,981.46/1,402,283.73
  6. Step 6: Final answer
    x = 1,174,162.02

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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.