Home / 867,064.20-1,300,596.30-657,112.20

Finding the Fourth Proportional to 867,064.20, 1,300,596.30 and 657,112.20

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Solution

The fourth proportional to 867,064.20, 1,300,596.30 and 657,112.20 is: 985,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,064.20 : 1,300,596.30 = 657,112.20 : x
  2. Step 2: Convert to fraction form
    867,064.20/1,300,596.30 = 657,112.20/x
  3. Step 3: Cross multiply
    867,064.20x = 1,300,596.30 × 657,112.20
  4. Step 4: Simplify right side
    867,064.20x = 854,637,696,004.86
  5. Step 5: Solve for x
    x = 854,637,696,004.86/867,064.20
  6. Step 6: Final answer
    x = 985,668.30

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Double scale
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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.