Home / 698,128.98-1,046,934.82-248,730.55

Finding the Fourth Proportional to 698,128.98, 1,046,934.82 and 248,730.55

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Solution

The fourth proportional to 698,128.98, 1,046,934.82 and 248,730.55 is: 373,003.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,128.98 : 1,046,934.82 = 248,730.55 : x
  2. Step 2: Convert to fraction form
    698,128.98/1,046,934.82 = 248,730.55/x
  3. Step 3: Cross multiply
    698,128.98x = 1,046,934.82 × 248,730.55
  4. Step 4: Simplify right side
    698,128.98x = 260,404,671,286.33
  5. Step 5: Solve for x
    x = 260,404,671,286.33/698,128.98
  6. Step 6: Final answer
    x = 373,003.67

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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.