Home / 773,081.02-1,066,536.84-518,514.22

Finding the Fourth Proportional to 773,081.02, 1,066,536.84 and 518,514.22

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Solution

The fourth proportional to 773,081.02, 1,066,536.84 and 518,514.22 is: 715,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,081.02 : 1,066,536.84 = 518,514.22 : x
  2. Step 2: Convert to fraction form
    773,081.02/1,066,536.84 = 518,514.22/x
  3. Step 3: Cross multiply
    773,081.02x = 1,066,536.84 × 518,514.22
  4. Step 4: Simplify right side
    773,081.02x = 553,014,517,693.87
  5. Step 5: Solve for x
    x = 553,014,517,693.87/773,081.02
  6. Step 6: Final answer
    x = 715,338.37

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Double scale
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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.