Home / 1,170,514.88-1,615,441.82-661,250.06

Finding the Fourth Proportional to 1,170,514.88, 1,615,441.82 and 661,250.06

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Solution

The fourth proportional to 1,170,514.88, 1,615,441.82 and 661,250.06 is: 912,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,514.88 : 1,615,441.82 = 661,250.06 : x
  2. Step 2: Convert to fraction form
    1,170,514.88/1,615,441.82 = 661,250.06/x
  3. Step 3: Cross multiply
    1,170,514.88x = 1,615,441.82 × 661,250.06
  4. Step 4: Simplify right side
    1,170,514.88x = 1,068,210,989,018.05
  5. Step 5: Solve for x
    x = 1,068,210,989,018.05/1,170,514.88
  6. Step 6: Final answer
    x = 912,599.24

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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.