Home / 1,112,599.80-1,668,162.33-402,535.44

Finding the Fourth Proportional to 1,112,599.80, 1,668,162.33 and 402,535.44

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Solution

The fourth proportional to 1,112,599.80, 1,668,162.33 and 402,535.44 is: 603,536.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,599.80 : 1,668,162.33 = 402,535.44 : x
  2. Step 2: Convert to fraction form
    1,112,599.80/1,668,162.33 = 402,535.44/x
  3. Step 3: Cross multiply
    1,112,599.80x = 1,668,162.33 × 402,535.44
  4. Step 4: Simplify right side
    1,112,599.80x = 671,494,457,497.98
  5. Step 5: Solve for x
    x = 671,494,457,497.98/1,112,599.80
  6. Step 6: Final answer
    x = 603,536.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.