Home / 1,252,272.63-1,878,714.66-399,344.30

Finding the Fourth Proportional to 1,252,272.63, 1,878,714.66 and 399,344.30

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Solution

The fourth proportional to 1,252,272.63, 1,878,714.66 and 399,344.30 is: 599,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,272.63 : 1,878,714.66 = 399,344.30 : x
  2. Step 2: Convert to fraction form
    1,252,272.63/1,878,714.66 = 399,344.30/x
  3. Step 3: Cross multiply
    1,252,272.63x = 1,878,714.66 × 399,344.30
  4. Step 4: Simplify right side
    1,252,272.63x = 750,253,990,797.44
  5. Step 5: Solve for x
    x = 750,253,990,797.44/1,252,272.63
  6. Step 6: Final answer
    x = 599,113.94

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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.