Home / 898,698.43-1,240,212.26-511,494.85

Finding the Fourth Proportional to 898,698.43, 1,240,212.26 and 511,494.85

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Solution

The fourth proportional to 898,698.43, 1,240,212.26 and 511,494.85 is: 705,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,698.43 : 1,240,212.26 = 511,494.85 : x
  2. Step 2: Convert to fraction form
    898,698.43/1,240,212.26 = 511,494.85/x
  3. Step 3: Cross multiply
    898,698.43x = 1,240,212.26 × 511,494.85
  4. Step 4: Simplify right side
    898,698.43x = 634,362,186,725.86
  5. Step 5: Solve for x
    x = 634,362,186,725.86/898,698.43
  6. Step 6: Final answer
    x = 705,867.70

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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.