Home / 936,392.49-1,292,238.23-528,575.85

Finding the Fourth Proportional to 936,392.49, 1,292,238.23 and 528,575.85

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Solution

The fourth proportional to 936,392.49, 1,292,238.23 and 528,575.85 is: 729,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,392.49 : 1,292,238.23 = 528,575.85 : x
  2. Step 2: Convert to fraction form
    936,392.49/1,292,238.23 = 528,575.85/x
  3. Step 3: Cross multiply
    936,392.49x = 1,292,238.23 × 528,575.85
  4. Step 4: Simplify right side
    936,392.49x = 683,045,918,181.87
  5. Step 5: Solve for x
    x = 683,045,918,181.87/936,392.49
  6. Step 6: Final answer
    x = 729,444.04

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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.