Home / 851,940.06-1,175,467.59-520,712.16

Finding the Fourth Proportional to 851,940.06, 1,175,467.59 and 520,712.16

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Solution

The fourth proportional to 851,940.06, 1,175,467.59 and 520,712.16 is: 718,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,940.06 : 1,175,467.59 = 520,712.16 : x
  2. Step 2: Convert to fraction form
    851,940.06/1,175,467.59 = 520,712.16/x
  3. Step 3: Cross multiply
    851,940.06x = 1,175,467.59 × 520,712.16
  4. Step 4: Simplify right side
    851,940.06x = 612,080,267,798.89
  5. Step 5: Solve for x
    x = 612,080,267,798.89/851,940.06
  6. Step 6: Final answer
    x = 718,454.61

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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.