Home / 1,335,172.56-2,003,073.90-436,610.81

Finding the Fourth Proportional to 1,335,172.56, 2,003,073.90 and 436,610.81

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Solution

The fourth proportional to 1,335,172.56, 2,003,073.90 and 436,610.81 is: 655,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,172.56 : 2,003,073.90 = 436,610.81 : x
  2. Step 2: Convert to fraction form
    1,335,172.56/2,003,073.90 = 436,610.81/x
  3. Step 3: Cross multiply
    1,335,172.56x = 2,003,073.90 × 436,610.81
  4. Step 4: Simplify right side
    1,335,172.56x = 874,563,707,953.49
  5. Step 5: Solve for x
    x = 874,563,707,953.49/1,335,172.56
  6. Step 6: Final answer
    x = 655,019.23

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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.