Home / 1,101,518.98-1,520,016.48-611,514.81

Finding the Fourth Proportional to 1,101,518.98, 1,520,016.48 and 611,514.81

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Solution

The fourth proportional to 1,101,518.98, 1,520,016.48 and 611,514.81 is: 843,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,518.98 : 1,520,016.48 = 611,514.81 : x
  2. Step 2: Convert to fraction form
    1,101,518.98/1,520,016.48 = 611,514.81/x
  3. Step 3: Cross multiply
    1,101,518.98x = 1,520,016.48 × 611,514.81
  4. Step 4: Simplify right side
    1,101,518.98x = 929,512,588,964.07
  5. Step 5: Solve for x
    x = 929,512,588,964.07/1,101,518.98
  6. Step 6: Final answer
    x = 843,846.18

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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.