Home / 369,450.02-509,841.10-199,683.62

Finding the Fourth Proportional to 369,450.02, 509,841.10 and 199,683.62

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Solution

The fourth proportional to 369,450.02, 509,841.10 and 199,683.62 is: 275,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,450.02 : 509,841.10 = 199,683.62 : x
  2. Step 2: Convert to fraction form
    369,450.02/509,841.10 = 199,683.62/x
  3. Step 3: Cross multiply
    369,450.02x = 509,841.10 × 199,683.62
  4. Step 4: Simplify right side
    369,450.02x = 101,806,913,424.37
  5. Step 5: Solve for x
    x = 101,806,913,424.37/369,450.02
  6. Step 6: Final answer
    x = 275,563.43

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Double scale
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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.