Home / 1,117,633.58-1,676,700.34-407,661.62

Finding the Fourth Proportional to 1,117,633.58, 1,676,700.34 and 407,661.62

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Solution

The fourth proportional to 1,117,633.58, 1,676,700.34 and 407,661.62 is: 611,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,633.58 : 1,676,700.34 = 407,661.62 : x
  2. Step 2: Convert to fraction form
    1,117,633.58/1,676,700.34 = 407,661.62/x
  3. Step 3: Cross multiply
    1,117,633.58x = 1,676,700.34 × 407,661.62
  4. Step 4: Simplify right side
    1,117,633.58x = 683,526,370,628.89
  5. Step 5: Solve for x
    x = 683,526,370,628.89/1,117,633.58
  6. Step 6: Final answer
    x = 611,583.60

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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.