Home / 841,281.50-1,261,924.95-210,195.38

Finding the Fourth Proportional to 841,281.50, 1,261,924.95 and 210,195.38

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Solution

The fourth proportional to 841,281.50, 1,261,924.95 and 210,195.38 is: 315,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,281.50 : 1,261,924.95 = 210,195.38 : x
  2. Step 2: Convert to fraction form
    841,281.50/1,261,924.95 = 210,195.38/x
  3. Step 3: Cross multiply
    841,281.50x = 1,261,924.95 × 210,195.38
  4. Step 4: Simplify right side
    841,281.50x = 265,250,794,396.73
  5. Step 5: Solve for x
    x = 265,250,794,396.73/841,281.50
  6. Step 6: Final answer
    x = 315,293.74

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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.