Home / 869,080.56-1,199,327.40-487,107.33

Finding the Fourth Proportional to 869,080.56, 1,199,327.40 and 487,107.33

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Solution

The fourth proportional to 869,080.56, 1,199,327.40 and 487,107.33 is: 672,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,080.56 : 1,199,327.40 = 487,107.33 : x
  2. Step 2: Convert to fraction form
    869,080.56/1,199,327.40 = 487,107.33/x
  3. Step 3: Cross multiply
    869,080.56x = 1,199,327.40 × 487,107.33
  4. Step 4: Simplify right side
    869,080.56x = 584,201,167,609.84
  5. Step 5: Solve for x
    x = 584,201,167,609.84/869,080.56
  6. Step 6: Final answer
    x = 672,206.00

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Double scale
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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.