Home / 1,685,664.30-2,528,496.45-1,118,793.90

Finding the Fourth Proportional to 1,685,664.30, 2,528,496.45 and 1,118,793.90

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Solution

The fourth proportional to 1,685,664.30, 2,528,496.45 and 1,118,793.90 is: 1,678,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,664.30 : 2,528,496.45 = 1,118,793.90 : x
  2. Step 2: Convert to fraction form
    1,685,664.30/2,528,496.45 = 1,118,793.90/x
  3. Step 3: Cross multiply
    1,685,664.30x = 2,528,496.45 × 1,118,793.90
  4. Step 4: Simplify right side
    1,685,664.30x = 2,828,866,404,431.66
  5. Step 5: Solve for x
    x = 2,828,866,404,431.66/1,685,664.30
  6. Step 6: Final answer
    x = 1,678,190.85

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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.