Home / 857,908.80-1,183,899.60-475,927.20

Finding the Fourth Proportional to 857,908.80, 1,183,899.60 and 475,927.20

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Solution

The fourth proportional to 857,908.80, 1,183,899.60 and 475,927.20 is: 656,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,908.80 : 1,183,899.60 = 475,927.20 : x
  2. Step 2: Convert to fraction form
    857,908.80/1,183,899.60 = 475,927.20/x
  3. Step 3: Cross multiply
    857,908.80x = 1,183,899.60 × 475,927.20
  4. Step 4: Simplify right side
    857,908.80x = 563,450,021,709.12
  5. Step 5: Solve for x
    x = 563,450,021,709.12/857,908.80
  6. Step 6: Final answer
    x = 656,771.47

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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.