Home / 1,183,986.02-1,633,867.52-647,430.50

Finding the Fourth Proportional to 1,183,986.02, 1,633,867.52 and 647,430.50

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Solution

The fourth proportional to 1,183,986.02, 1,633,867.52 and 647,430.50 is: 893,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,986.02 : 1,633,867.52 = 647,430.50 : x
  2. Step 2: Convert to fraction form
    1,183,986.02/1,633,867.52 = 647,430.50/x
  3. Step 3: Cross multiply
    1,183,986.02x = 1,633,867.52 × 647,430.50
  4. Step 4: Simplify right side
    1,183,986.02x = 1,057,815,665,407.36
  5. Step 5: Solve for x
    x = 1,057,815,665,407.36/1,183,986.02
  6. Step 6: Final answer
    x = 893,435.94

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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.