Home / 1,085,603.10-1,628,404.65-805,667.10

Finding the Fourth Proportional to 1,085,603.10, 1,628,404.65 and 805,667.10

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Solution

The fourth proportional to 1,085,603.10, 1,628,404.65 and 805,667.10 is: 1,208,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,603.10 : 1,628,404.65 = 805,667.10 : x
  2. Step 2: Convert to fraction form
    1,085,603.10/1,628,404.65 = 805,667.10/x
  3. Step 3: Cross multiply
    1,085,603.10x = 1,628,404.65 × 805,667.10
  4. Step 4: Simplify right side
    1,085,603.10x = 1,311,952,051,992.01
  5. Step 5: Solve for x
    x = 1,311,952,051,992.01/1,085,603.10
  6. Step 6: Final answer
    x = 1,208,500.65

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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.