Home / 867,532.44-1,197,194.56-485,559.20

Finding the Fourth Proportional to 867,532.44, 1,197,194.56 and 485,559.20

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Solution

The fourth proportional to 867,532.44, 1,197,194.56 and 485,559.20 is: 670,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,532.44 : 1,197,194.56 = 485,559.20 : x
  2. Step 2: Convert to fraction form
    867,532.44/1,197,194.56 = 485,559.20/x
  3. Step 3: Cross multiply
    867,532.44x = 1,197,194.56 × 485,559.20
  4. Step 4: Simplify right side
    867,532.44x = 581,308,832,797.95
  5. Step 5: Solve for x
    x = 581,308,832,797.95/867,532.44
  6. Step 6: Final answer
    x = 670,071.58

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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.