Home / 1,118,405.70-1,677,171.15-408,068.10

Finding the Fourth Proportional to 1,118,405.70, 1,677,171.15 and 408,068.10

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Solution

The fourth proportional to 1,118,405.70, 1,677,171.15 and 408,068.10 is: 611,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,405.70 : 1,677,171.15 = 408,068.10 : x
  2. Step 2: Convert to fraction form
    1,118,405.70/1,677,171.15 = 408,068.10/x
  3. Step 3: Cross multiply
    1,118,405.70x = 1,677,171.15 × 408,068.10
  4. Step 4: Simplify right side
    1,118,405.70x = 684,400,044,555.32
  5. Step 5: Solve for x
    x = 684,400,044,555.32/1,118,405.70
  6. Step 6: Final answer
    x = 611,942.56

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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.