Home / 953,990.44-1,431,641.76-393,024.94

Finding the Fourth Proportional to 953,990.44, 1,431,641.76 and 393,024.94

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Solution

The fourth proportional to 953,990.44, 1,431,641.76 and 393,024.94 is: 589,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,990.44 : 1,431,641.76 = 393,024.94 : x
  2. Step 2: Convert to fraction form
    953,990.44/1,431,641.76 = 393,024.94/x
  3. Step 3: Cross multiply
    953,990.44x = 1,431,641.76 × 393,024.94
  4. Step 4: Simplify right side
    953,990.44x = 562,670,911,772.55
  5. Step 5: Solve for x
    x = 562,670,911,772.55/953,990.44
  6. Step 6: Final answer
    x = 589,807.71

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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.