Home / 857,899.88-1,183,933.38-518,302.28

Finding the Fourth Proportional to 857,899.88, 1,183,933.38 and 518,302.28

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Solution

The fourth proportional to 857,899.88, 1,183,933.38 and 518,302.28 is: 715,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,899.88 : 1,183,933.38 = 518,302.28 : x
  2. Step 2: Convert to fraction form
    857,899.88/1,183,933.38 = 518,302.28/x
  3. Step 3: Cross multiply
    857,899.88x = 1,183,933.38 × 518,302.28
  4. Step 4: Simplify right side
    857,899.88x = 613,635,370,222.11
  5. Step 5: Solve for x
    x = 613,635,370,222.11/857,899.88
  6. Step 6: Final answer
    x = 715,276.20

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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.