Home / 841,280.50-1,261,923.45-210,194.38

Finding the Fourth Proportional to 841,280.50, 1,261,923.45 and 210,194.38

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Solution

The fourth proportional to 841,280.50, 1,261,923.45 and 210,194.38 is: 315,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,280.50 : 1,261,923.45 = 210,194.38 : x
  2. Step 2: Convert to fraction form
    841,280.50/1,261,923.45 = 210,194.38/x
  3. Step 3: Cross multiply
    841,280.50x = 1,261,923.45 × 210,194.38
  4. Step 4: Simplify right side
    841,280.50x = 265,249,217,180.21
  5. Step 5: Solve for x
    x = 265,249,217,180.21/841,280.50
  6. Step 6: Final answer
    x = 315,292.24

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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.