Home / 847,239.20-1,271,150.40-531,326.24

Finding the Fourth Proportional to 847,239.20, 1,271,150.40 and 531,326.24

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Solution

The fourth proportional to 847,239.20, 1,271,150.40 and 531,326.24 is: 797,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,239.20 : 1,271,150.40 = 531,326.24 : x
  2. Step 2: Convert to fraction form
    847,239.20/1,271,150.40 = 531,326.24/x
  3. Step 3: Cross multiply
    847,239.20x = 1,271,150.40 × 531,326.24
  4. Step 4: Simplify right side
    847,239.20x = 675,395,556,150.74
  5. Step 5: Solve for x
    x = 675,395,556,150.74/847,239.20
  6. Step 6: Final answer
    x = 797,172.23

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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.