Home / 841,475.06-1,262,212.50-210,388.87

Finding the Fourth Proportional to 841,475.06, 1,262,212.50 and 210,388.87

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Solution

The fourth proportional to 841,475.06, 1,262,212.50 and 210,388.87 is: 315,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,475.06 : 1,262,212.50 = 210,388.87 : x
  2. Step 2: Convert to fraction form
    841,475.06/1,262,212.50 = 210,388.87/x
  3. Step 3: Cross multiply
    841,475.06x = 1,262,212.50 × 210,388.87
  4. Step 4: Simplify right side
    841,475.06x = 265,555,458,616.47
  5. Step 5: Solve for x
    x = 265,555,458,616.47/841,475.06
  6. Step 6: Final answer
    x = 315,583.28

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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.