Home / 1,183,984.02-1,633,864.77-647,428.50

Finding the Fourth Proportional to 1,183,984.02, 1,633,864.77 and 647,428.50

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Solution

The fourth proportional to 1,183,984.02, 1,633,864.77 and 647,428.50 is: 893,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,984.02 : 1,633,864.77 = 647,428.50 : x
  2. Step 2: Convert to fraction form
    1,183,984.02/1,633,864.77 = 647,428.50/x
  3. Step 3: Cross multiply
    1,183,984.02x = 1,633,864.77 × 647,428.50
  4. Step 4: Simplify right side
    1,183,984.02x = 1,057,810,617,243.95
  5. Step 5: Solve for x
    x = 1,057,810,617,243.95/1,183,984.02
  6. Step 6: Final answer
    x = 893,433.19

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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.