Home / 841,474.50-1,262,211.81-210,388.31

Finding the Fourth Proportional to 841,474.50, 1,262,211.81 and 210,388.31

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Solution

The fourth proportional to 841,474.50, 1,262,211.81 and 210,388.31 is: 315,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,474.50 : 1,262,211.81 = 210,388.31 : x
  2. Step 2: Convert to fraction form
    841,474.50/1,262,211.81 = 210,388.31/x
  3. Step 3: Cross multiply
    841,474.50x = 1,262,211.81 × 210,388.31
  4. Step 4: Simplify right side
    841,474.50x = 265,554,609,567.94
  5. Step 5: Solve for x
    x = 265,554,609,567.94/841,474.50
  6. Step 6: Final answer
    x = 315,582.48

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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.