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Finding the Fourth Proportional to 1,093,826.16, 1,509,480.40 and 603,795.98

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Solution

The fourth proportional to 1,093,826.16, 1,509,480.40 and 603,795.98 is: 833,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,826.16 : 1,509,480.40 = 603,795.98 : x
  2. Step 2: Convert to fraction form
    1,093,826.16/1,509,480.40 = 603,795.98/x
  3. Step 3: Cross multiply
    1,093,826.16x = 1,509,480.40 × 603,795.98
  4. Step 4: Simplify right side
    1,093,826.16x = 911,418,197,408.79
  5. Step 5: Solve for x
    x = 911,418,197,408.79/1,093,826.16
  6. Step 6: Final answer
    x = 833,238.62

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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.