Home / 936,644.76-1,292,452.74-528,696.36

Finding the Fourth Proportional to 936,644.76, 1,292,452.74 and 528,696.36

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Solution

The fourth proportional to 936,644.76, 1,292,452.74 and 528,696.36 is: 729,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,644.76 : 1,292,452.74 = 528,696.36 : x
  2. Step 2: Convert to fraction form
    936,644.76/1,292,452.74 = 528,696.36/x
  3. Step 3: Cross multiply
    936,644.76x = 1,292,452.74 × 528,696.36
  4. Step 4: Simplify right side
    936,644.76x = 683,315,059,110.03
  5. Step 5: Solve for x
    x = 683,315,059,110.03/936,644.76
  6. Step 6: Final answer
    x = 729,534.92

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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.