Home / 1,690,074.98-2,533,406.61-1,059,431.66

Finding the Fourth Proportional to 1,690,074.98, 2,533,406.61 and 1,059,431.66

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Solution

The fourth proportional to 1,690,074.98, 2,533,406.61 and 1,059,431.66 is: 1,588,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,074.98 : 2,533,406.61 = 1,059,431.66 : x
  2. Step 2: Convert to fraction form
    1,690,074.98/2,533,406.61 = 1,059,431.66/x
  3. Step 3: Cross multiply
    1,690,074.98x = 2,533,406.61 × 1,059,431.66
  4. Step 4: Simplify right side
    1,690,074.98x = 2,683,971,170,287.27
  5. Step 5: Solve for x
    x = 2,683,971,170,287.27/1,690,074.98
  6. Step 6: Final answer
    x = 1,588,078.16

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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.