Home / 434,629.20-651,943.80-277,165.20

Finding the Fourth Proportional to 434,629.20, 651,943.80 and 277,165.20

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Solution

The fourth proportional to 434,629.20, 651,943.80 and 277,165.20 is: 415,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,629.20 : 651,943.80 = 277,165.20 : x
  2. Step 2: Convert to fraction form
    434,629.20/651,943.80 = 277,165.20/x
  3. Step 3: Cross multiply
    434,629.20x = 651,943.80 × 277,165.20
  4. Step 4: Simplify right side
    434,629.20x = 180,696,133,715.76
  5. Step 5: Solve for x
    x = 180,696,133,715.76/434,629.20
  6. Step 6: Final answer
    x = 415,747.80

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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.