Home / 471,973.64-651,307.20-257,108.18

Finding the Fourth Proportional to 471,973.64, 651,307.20 and 257,108.18

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Solution

The fourth proportional to 471,973.64, 651,307.20 and 257,108.18 is: 354,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,973.64 : 651,307.20 = 257,108.18 : x
  2. Step 2: Convert to fraction form
    471,973.64/651,307.20 = 257,108.18/x
  3. Step 3: Cross multiply
    471,973.64x = 651,307.20 × 257,108.18
  4. Step 4: Simplify right side
    471,973.64x = 167,456,408,812.90
  5. Step 5: Solve for x
    x = 167,456,408,812.90/471,973.64
  6. Step 6: Final answer
    x = 354,800.34

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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.