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Finding the Fourth Proportional to 1,329,935.18, 1,835,355.84 and 786,536.76

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Solution

The fourth proportional to 1,329,935.18, 1,835,355.84 and 786,536.76 is: 1,085,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,935.18 : 1,835,355.84 = 786,536.76 : x
  2. Step 2: Convert to fraction form
    1,329,935.18/1,835,355.84 = 786,536.76/x
  3. Step 3: Cross multiply
    1,329,935.18x = 1,835,355.84 × 786,536.76
  4. Step 4: Simplify right side
    1,329,935.18x = 1,443,574,835,840.68
  5. Step 5: Solve for x
    x = 1,443,574,835,840.68/1,329,935.18
  6. Step 6: Final answer
    x = 1,085,447.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.