Home / 1,211,787.21-1,818,017.91-528,733.65

Finding the Fourth Proportional to 1,211,787.21, 1,818,017.91 and 528,733.65

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Solution

The fourth proportional to 1,211,787.21, 1,818,017.91 and 528,733.65 is: 793,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,787.21 : 1,818,017.91 = 528,733.65 : x
  2. Step 2: Convert to fraction form
    1,211,787.21/1,818,017.91 = 528,733.65/x
  3. Step 3: Cross multiply
    1,211,787.21x = 1,818,017.91 × 528,733.65
  4. Step 4: Simplify right side
    1,211,787.21x = 961,247,245,319.67
  5. Step 5: Solve for x
    x = 961,247,245,319.67/1,211,787.21
  6. Step 6: Final answer
    x = 793,247.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.