Home / 434,816.80-651,350.40-293,099.20

Finding the Fourth Proportional to 434,816.80, 651,350.40 and 293,099.20

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Solution

The fourth proportional to 434,816.80, 651,350.40 and 293,099.20 is: 439,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,816.80 : 651,350.40 = 293,099.20 : x
  2. Step 2: Convert to fraction form
    434,816.80/651,350.40 = 293,099.20/x
  3. Step 3: Cross multiply
    434,816.80x = 651,350.40 × 293,099.20
  4. Step 4: Simplify right side
    434,816.80x = 190,910,281,159.68
  5. Step 5: Solve for x
    x = 190,910,281,159.68/434,816.80
  6. Step 6: Final answer
    x = 439,059.12

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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.