Home / 918,571.24-1,267,556.52-510,648.25

Finding the Fourth Proportional to 918,571.24, 1,267,556.52 and 510,648.25

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Solution

The fourth proportional to 918,571.24, 1,267,556.52 and 510,648.25 is: 704,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,571.24 : 1,267,556.52 = 510,648.25 : x
  2. Step 2: Convert to fraction form
    918,571.24/1,267,556.52 = 510,648.25/x
  3. Step 3: Cross multiply
    918,571.24x = 1,267,556.52 × 510,648.25
  4. Step 4: Simplify right side
    918,571.24x = 647,275,518,714.09
  5. Step 5: Solve for x
    x = 647,275,518,714.09/918,571.24
  6. Step 6: Final answer
    x = 704,654.68

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Double scale
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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.