Home / 1,175,384.21-1,765,143.63-1,158,555.24

Finding the Fourth Proportional to 1,175,384.21, 1,765,143.63 and 1,158,555.24

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Solution

The fourth proportional to 1,175,384.21, 1,765,143.63 and 1,158,555.24 is: 1,739,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,384.21 : 1,765,143.63 = 1,158,555.24 : x
  2. Step 2: Convert to fraction form
    1,175,384.21/1,765,143.63 = 1,158,555.24/x
  3. Step 3: Cross multiply
    1,175,384.21x = 1,765,143.63 × 1,158,555.24
  4. Step 4: Simplify right side
    1,175,384.21x = 2,045,016,401,889.12
  5. Step 5: Solve for x
    x = 2,045,016,401,889.12/1,175,384.21
  6. Step 6: Final answer
    x = 1,739,870.58

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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.