Home / 889,469.76-1,333,801.92-383,792.16

Finding the Fourth Proportional to 889,469.76, 1,333,801.92 and 383,792.16

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Solution

The fourth proportional to 889,469.76, 1,333,801.92 and 383,792.16 is: 575,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,469.76 : 1,333,801.92 = 383,792.16 : x
  2. Step 2: Convert to fraction form
    889,469.76/1,333,801.92 = 383,792.16/x
  3. Step 3: Cross multiply
    889,469.76x = 1,333,801.92 × 383,792.16
  4. Step 4: Simplify right side
    889,469.76x = 511,902,719,888.95
  5. Step 5: Solve for x
    x = 511,902,719,888.95/889,469.76
  6. Step 6: Final answer
    x = 575,514.47

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1.5x scale

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.