Home / 1,214,081.10-1,675,388-670,205.21

Finding the Fourth Proportional to 1,214,081.10, 1,675,388 and 670,205.21

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Solution

The fourth proportional to 1,214,081.10, 1,675,388 and 670,205.21 is: 924,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,081.10 : 1,675,388 = 670,205.21 : x
  2. Step 2: Convert to fraction form
    1,214,081.10/1,675,388 = 670,205.21/x
  3. Step 3: Cross multiply
    1,214,081.10x = 1,675,388 × 670,205.21
  4. Step 4: Simplify right side
    1,214,081.10x = 1,122,853,766,371.48
  5. Step 5: Solve for x
    x = 1,122,853,766,371.48/1,214,081.10
  6. Step 6: Final answer
    x = 924,858.95

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Double scale
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1.5x scale

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.