Home / 939,813.46-1,296,883.52-531,998.08

Finding the Fourth Proportional to 939,813.46, 1,296,883.52 and 531,998.08

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Solution

The fourth proportional to 939,813.46, 1,296,883.52 and 531,998.08 is: 734,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,813.46 : 1,296,883.52 = 531,998.08 : x
  2. Step 2: Convert to fraction form
    939,813.46/1,296,883.52 = 531,998.08/x
  3. Step 3: Cross multiply
    939,813.46x = 1,296,883.52 × 531,998.08
  4. Step 4: Simplify right side
    939,813.46x = 689,939,542,623.64
  5. Step 5: Solve for x
    x = 689,939,542,623.64/939,813.46
  6. Step 6: Final answer
    x = 734,123.92

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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.