Home / 651,481.66-899,094.50-409,971.25

Finding the Fourth Proportional to 651,481.66, 899,094.50 and 409,971.25

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Solution

The fourth proportional to 651,481.66, 899,094.50 and 409,971.25 is: 565,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,481.66 : 899,094.50 = 409,971.25 : x
  2. Step 2: Convert to fraction form
    651,481.66/899,094.50 = 409,971.25/x
  3. Step 3: Cross multiply
    651,481.66x = 899,094.50 × 409,971.25
  4. Step 4: Simplify right side
    651,481.66x = 368,602,896,033.13
  5. Step 5: Solve for x
    x = 368,602,896,033.13/651,481.66
  6. Step 6: Final answer
    x = 565,791.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.