Home / 1,206,876-1,810,547.12-458,863.84

Finding the Fourth Proportional to 1,206,876, 1,810,547.12 and 458,863.84

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Solution

The fourth proportional to 1,206,876, 1,810,547.12 and 458,863.84 is: 688,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,876 : 1,810,547.12 = 458,863.84 : x
  2. Step 2: Convert to fraction form
    1,206,876/1,810,547.12 = 458,863.84/x
  3. Step 3: Cross multiply
    1,206,876x = 1,810,547.12 × 458,863.84
  4. Step 4: Simplify right side
    1,206,876x = 830,794,603,984.14
  5. Step 5: Solve for x
    x = 830,794,603,984.14/1,206,876
  6. Step 6: Final answer
    x = 688,384.39

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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.