Home / 938,830.82-1,295,586.88-509,110.84

Finding the Fourth Proportional to 938,830.82, 1,295,586.88 and 509,110.84

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Solution

The fourth proportional to 938,830.82, 1,295,586.88 and 509,110.84 is: 702,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,830.82 : 1,295,586.88 = 509,110.84 : x
  2. Step 2: Convert to fraction form
    938,830.82/1,295,586.88 = 509,110.84/x
  3. Step 3: Cross multiply
    938,830.82x = 1,295,586.88 × 509,110.84
  4. Step 4: Simplify right side
    938,830.82x = 659,597,315,746.29
  5. Step 5: Solve for x
    x = 659,597,315,746.29/938,830.82
  6. Step 6: Final answer
    x = 702,573.14

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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.