Home / 859,594.40-1,186,216.80-477,611.36

Finding the Fourth Proportional to 859,594.40, 1,186,216.80 and 477,611.36

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Solution

The fourth proportional to 859,594.40, 1,186,216.80 and 477,611.36 is: 659,090.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,594.40 : 1,186,216.80 = 477,611.36 : x
  2. Step 2: Convert to fraction form
    859,594.40/1,186,216.80 = 477,611.36/x
  3. Step 3: Cross multiply
    859,594.40x = 1,186,216.80 × 477,611.36
  4. Step 4: Simplify right side
    859,594.40x = 566,550,613,171.76
  5. Step 5: Solve for x
    x = 566,550,613,171.76/859,594.40
  6. Step 6: Final answer
    x = 659,090.63

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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.