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Finding the Fourth Proportional to 1,402,735.93, 1,935,736.76 and 790,883.27

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Solution

The fourth proportional to 1,402,735.93, 1,935,736.76 and 790,883.27 is: 1,091,397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,735.93 : 1,935,736.76 = 790,883.27 : x
  2. Step 2: Convert to fraction form
    1,402,735.93/1,935,736.76 = 790,883.27/x
  3. Step 3: Cross multiply
    1,402,735.93x = 1,935,736.76 × 790,883.27
  4. Step 4: Simplify right side
    1,402,735.93x = 1,530,941,818,608.01
  5. Step 5: Solve for x
    x = 1,530,941,818,608.01/1,402,735.93
  6. Step 6: Final answer
    x = 1,091,397.02

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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.