Home / 1,183,695.12-1,633,499.33-639,829.13

Finding the Fourth Proportional to 1,183,695.12, 1,633,499.33 and 639,829.13

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Solution

The fourth proportional to 1,183,695.12, 1,633,499.33 and 639,829.13 is: 882,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,695.12 : 1,633,499.33 = 639,829.13 : x
  2. Step 2: Convert to fraction form
    1,183,695.12/1,633,499.33 = 639,829.13/x
  3. Step 3: Cross multiply
    1,183,695.12x = 1,633,499.33 × 639,829.13
  4. Step 4: Simplify right side
    1,183,695.12x = 1,045,160,443,802.84
  5. Step 5: Solve for x
    x = 1,045,160,443,802.84/1,183,695.12
  6. Step 6: Final answer
    x = 882,964.22

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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.