Home / 1,183,549.32-1,775,309.40-1,126,172.16

Finding the Fourth Proportional to 1,183,549.32, 1,775,309.40 and 1,126,172.16

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Solution

The fourth proportional to 1,183,549.32, 1,775,309.40 and 1,126,172.16 is: 1,689,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,549.32 : 1,775,309.40 = 1,126,172.16 : x
  2. Step 2: Convert to fraction form
    1,183,549.32/1,775,309.40 = 1,126,172.16/x
  3. Step 3: Cross multiply
    1,183,549.32x = 1,775,309.40 × 1,126,172.16
  4. Step 4: Simplify right side
    1,183,549.32x = 1,999,304,021,666.30
  5. Step 5: Solve for x
    x = 1,999,304,021,666.30/1,183,549.32
  6. Step 6: Final answer
    x = 1,689,244.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.