Home / 1,185,795-1,778,697-287,235

Finding the Fourth Proportional to 1,185,795, 1,778,697 and 287,235

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Solution

The fourth proportional to 1,185,795, 1,778,697 and 287,235 is: 430,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,795 : 1,778,697 = 287,235 : x
  2. Step 2: Convert to fraction form
    1,185,795/1,778,697 = 287,235/x
  3. Step 3: Cross multiply
    1,185,795x = 1,778,697 × 287,235
  4. Step 4: Simplify right side
    1,185,795x = 510,904,032,795
  5. Step 5: Solve for x
    x = 510,904,032,795/1,185,795
  6. Step 6: Final answer
    x = 430,853.59

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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.