Home / 471,835.22-651,140.03-256,975.13

Finding the Fourth Proportional to 471,835.22, 651,140.03 and 256,975.13

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Solution

The fourth proportional to 471,835.22, 651,140.03 and 256,975.13 is: 354,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,835.22 : 651,140.03 = 256,975.13 : x
  2. Step 2: Convert to fraction form
    471,835.22/651,140.03 = 256,975.13/x
  3. Step 3: Cross multiply
    471,835.22x = 651,140.03 × 256,975.13
  4. Step 4: Simplify right side
    471,835.22x = 167,326,789,316.88
  5. Step 5: Solve for x
    x = 167,326,789,316.88/471,835.22
  6. Step 6: Final answer
    x = 354,629.72

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1.5x scale

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.