Home / 857,698.98-1,183,766.32-475,848.78

Finding the Fourth Proportional to 857,698.98, 1,183,766.32 and 475,848.78

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Solution

The fourth proportional to 857,698.98, 1,183,766.32 and 475,848.78 is: 656,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,698.98 : 1,183,766.32 = 475,848.78 : x
  2. Step 2: Convert to fraction form
    857,698.98/1,183,766.32 = 475,848.78/x
  3. Step 3: Cross multiply
    857,698.98x = 1,183,766.32 × 475,848.78
  4. Step 4: Simplify right side
    857,698.98x = 563,293,759,177.09
  5. Step 5: Solve for x
    x = 563,293,759,177.09/857,698.98
  6. Step 6: Final answer
    x = 656,749.95

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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.