Home / 866,415.36-1,299,623.04-570,858.24

Finding the Fourth Proportional to 866,415.36, 1,299,623.04 and 570,858.24

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Solution

The fourth proportional to 866,415.36, 1,299,623.04 and 570,858.24 is: 856,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,415.36 : 1,299,623.04 = 570,858.24 : x
  2. Step 2: Convert to fraction form
    866,415.36/1,299,623.04 = 570,858.24/x
  3. Step 3: Cross multiply
    866,415.36x = 1,299,623.04 × 570,858.24
  4. Step 4: Simplify right side
    866,415.36x = 741,900,521,277.85
  5. Step 5: Solve for x
    x = 741,900,521,277.85/866,415.36
  6. Step 6: Final answer
    x = 856,287.36

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.