Home / 859,869.72-1,186,611.66-477,888.30

Finding the Fourth Proportional to 859,869.72, 1,186,611.66 and 477,888.30

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Solution

The fourth proportional to 859,869.72, 1,186,611.66 and 477,888.30 is: 659,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,869.72 : 1,186,611.66 = 477,888.30 : x
  2. Step 2: Convert to fraction form
    859,869.72/1,186,611.66 = 477,888.30/x
  3. Step 3: Cross multiply
    859,869.72x = 1,186,611.66 × 477,888.30
  4. Step 4: Simplify right side
    859,869.72x = 567,067,828,957.58
  5. Step 5: Solve for x
    x = 567,067,828,957.58/859,869.72
  6. Step 6: Final answer
    x = 659,481.10

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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.