Home / 1,183,985.52-1,633,866.84-647,430

Finding the Fourth Proportional to 1,183,985.52, 1,633,866.84 and 647,430

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Solution

The fourth proportional to 1,183,985.52, 1,633,866.84 and 647,430 is: 893,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,985.52 : 1,633,866.84 = 647,430 : x
  2. Step 2: Convert to fraction form
    1,183,985.52/1,633,866.84 = 647,430/x
  3. Step 3: Cross multiply
    1,183,985.52x = 1,633,866.84 × 647,430
  4. Step 4: Simplify right side
    1,183,985.52x = 1,057,814,408,221.20
  5. Step 5: Solve for x
    x = 1,057,814,408,221.20/1,183,985.52
  6. Step 6: Final answer
    x = 893,435.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.