Home / 898,760.12-1,240,297.44-511,556.64

Finding the Fourth Proportional to 898,760.12, 1,240,297.44 and 511,556.64

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Solution

The fourth proportional to 898,760.12, 1,240,297.44 and 511,556.64 is: 705,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,760.12 : 1,240,297.44 = 511,556.64 : x
  2. Step 2: Convert to fraction form
    898,760.12/1,240,297.44 = 511,556.64/x
  3. Step 3: Cross multiply
    898,760.12x = 1,240,297.44 × 511,556.64
  4. Step 4: Simplify right side
    898,760.12x = 634,482,391,007.00
  5. Step 5: Solve for x
    x = 634,482,391,007.00/898,760.12
  6. Step 6: Final answer
    x = 705,952.99

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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.