Home / 1,183,985.02-1,633,866.14-647,429.50

Finding the Fourth Proportional to 1,183,985.02, 1,633,866.14 and 647,429.50

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Solution

The fourth proportional to 1,183,985.02, 1,633,866.14 and 647,429.50 is: 893,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,985.02 : 1,633,866.14 = 647,429.50 : x
  2. Step 2: Convert to fraction form
    1,183,985.02/1,633,866.14 = 647,429.50/x
  3. Step 3: Cross multiply
    1,183,985.02x = 1,633,866.14 × 647,429.50
  4. Step 4: Simplify right side
    1,183,985.02x = 1,057,813,138,087.13
  5. Step 5: Solve for x
    x = 1,057,813,138,087.13/1,183,985.02
  6. Step 6: Final answer
    x = 893,434.56

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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.