Home / 434,571.20-651,824.40-181,786.40

Finding the Fourth Proportional to 434,571.20, 651,824.40 and 181,786.40

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Solution

The fourth proportional to 434,571.20, 651,824.40 and 181,786.40 is: 272,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,571.20 : 651,824.40 = 181,786.40 : x
  2. Step 2: Convert to fraction form
    434,571.20/651,824.40 = 181,786.40/x
  3. Step 3: Cross multiply
    434,571.20x = 651,824.40 × 181,786.40
  4. Step 4: Simplify right side
    434,571.20x = 118,492,811,108.16
  5. Step 5: Solve for x
    x = 118,492,811,108.16/434,571.20
  6. Step 6: Final answer
    x = 272,666.05

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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.