Home / 471,837.08-651,142.92-256,981.34

Finding the Fourth Proportional to 471,837.08, 651,142.92 and 256,981.34

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Solution

The fourth proportional to 471,837.08, 651,142.92 and 256,981.34 is: 354,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,837.08 : 651,142.92 = 256,981.34 : x
  2. Step 2: Convert to fraction form
    471,837.08/651,142.92 = 256,981.34/x
  3. Step 3: Cross multiply
    471,837.08x = 651,142.92 × 256,981.34
  4. Step 4: Simplify right side
    471,837.08x = 167,331,580,113.11
  5. Step 5: Solve for x
    x = 167,331,580,113.11/471,837.08
  6. Step 6: Final answer
    x = 354,638.47

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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.