Home / 434,525.70-651,569.85-257,087.10

Finding the Fourth Proportional to 434,525.70, 651,569.85 and 257,087.10

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Solution

The fourth proportional to 434,525.70, 651,569.85 and 257,087.10 is: 385,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,525.70 : 651,569.85 = 257,087.10 : x
  2. Step 2: Convert to fraction form
    434,525.70/651,569.85 = 257,087.10/x
  3. Step 3: Cross multiply
    434,525.70x = 651,569.85 × 257,087.10
  4. Step 4: Simplify right side
    434,525.70x = 167,510,203,183.94
  5. Step 5: Solve for x
    x = 167,510,203,183.94/434,525.70
  6. Step 6: Final answer
    x = 385,501.26

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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.