Home / 1,690,853.13-2,536,284.83-411,460.81

Finding the Fourth Proportional to 1,690,853.13, 2,536,284.83 and 411,460.81

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Solution

The fourth proportional to 1,690,853.13, 2,536,284.83 and 411,460.81 is: 617,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,853.13 : 2,536,284.83 = 411,460.81 : x
  2. Step 2: Convert to fraction form
    1,690,853.13/2,536,284.83 = 411,460.81/x
  3. Step 3: Cross multiply
    1,690,853.13x = 2,536,284.83 × 411,460.81
  4. Step 4: Simplify right side
    1,690,853.13x = 1,043,581,802,144.50
  5. Step 5: Solve for x
    x = 1,043,581,802,144.50/1,690,853.13
  6. Step 6: Final answer
    x = 617,192.46

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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.