Home / 939,568.80-1,296,586.98-531,663.24

Finding the Fourth Proportional to 939,568.80, 1,296,586.98 and 531,663.24

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Solution

The fourth proportional to 939,568.80, 1,296,586.98 and 531,663.24 is: 733,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,568.80 : 1,296,586.98 = 531,663.24 : x
  2. Step 2: Convert to fraction form
    939,568.80/1,296,586.98 = 531,663.24/x
  3. Step 3: Cross multiply
    939,568.80x = 1,296,586.98 × 531,663.24
  4. Step 4: Simplify right side
    939,568.80x = 689,347,634,728.62
  5. Step 5: Solve for x
    x = 689,347,634,728.62/939,568.80
  6. Step 6: Final answer
    x = 733,685.11

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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.