Home / 1,116,142.40-1,540,279.84-606,846.72

Finding the Fourth Proportional to 1,116,142.40, 1,540,279.84 and 606,846.72

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Solution

The fourth proportional to 1,116,142.40, 1,540,279.84 and 606,846.72 is: 837,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,142.40 : 1,540,279.84 = 606,846.72 : x
  2. Step 2: Convert to fraction form
    1,116,142.40/1,540,279.84 = 606,846.72/x
  3. Step 3: Cross multiply
    1,116,142.40x = 1,540,279.84 × 606,846.72
  4. Step 4: Simplify right side
    1,116,142.40x = 934,713,768,786.13
  5. Step 5: Solve for x
    x = 934,713,768,786.13/1,116,142.40
  6. Step 6: Final answer
    x = 837,450.28

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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.