Home / 1,100,639.46-1,518,858.72-617,193.96

Finding the Fourth Proportional to 1,100,639.46, 1,518,858.72 and 617,193.96

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Solution

The fourth proportional to 1,100,639.46, 1,518,858.72 and 617,193.96 is: 851,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,639.46 : 1,518,858.72 = 617,193.96 : x
  2. Step 2: Convert to fraction form
    1,100,639.46/1,518,858.72 = 617,193.96/x
  3. Step 3: Cross multiply
    1,100,639.46x = 1,518,858.72 × 617,193.96
  4. Step 4: Simplify right side
    1,100,639.46x = 937,430,428,077.33
  5. Step 5: Solve for x
    x = 937,430,428,077.33/1,100,639.46
  6. Step 6: Final answer
    x = 851,714.36

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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.