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Finding the Fourth Proportional to 1,307,556, 1,804,265.87 and 756,366.39

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Solution

The fourth proportional to 1,307,556, 1,804,265.87 and 756,366.39 is: 1,043,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,556 : 1,804,265.87 = 756,366.39 : x
  2. Step 2: Convert to fraction form
    1,307,556/1,804,265.87 = 756,366.39/x
  3. Step 3: Cross multiply
    1,307,556x = 1,804,265.87 × 756,366.39
  4. Step 4: Simplify right side
    1,307,556x = 1,364,686,062,692.11
  5. Step 5: Solve for x
    x = 1,364,686,062,692.11/1,307,556
  6. Step 6: Final answer
    x = 1,043,692.25

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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.