Home / 685,714.40-1,028,571.60-584,237.60

Finding the Fourth Proportional to 685,714.40, 1,028,571.60 and 584,237.60

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Solution

The fourth proportional to 685,714.40, 1,028,571.60 and 584,237.60 is: 876,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,714.40 : 1,028,571.60 = 584,237.60 : x
  2. Step 2: Convert to fraction form
    685,714.40/1,028,571.60 = 584,237.60/x
  3. Step 3: Cross multiply
    685,714.40x = 1,028,571.60 × 584,237.60
  4. Step 4: Simplify right side
    685,714.40x = 600,930,203,012.16
  5. Step 5: Solve for x
    x = 600,930,203,012.16/685,714.40
  6. Step 6: Final answer
    x = 876,356.40

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Similar ratio
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1.5x scale

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.