Home / 1,191,161.17-1,643,797.02-647,286.67

Finding the Fourth Proportional to 1,191,161.17, 1,643,797.02 and 647,286.67

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Solution

The fourth proportional to 1,191,161.17, 1,643,797.02 and 647,286.67 is: 893,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,161.17 : 1,643,797.02 = 647,286.67 : x
  2. Step 2: Convert to fraction form
    1,191,161.17/1,643,797.02 = 647,286.67/x
  3. Step 3: Cross multiply
    1,191,161.17x = 1,643,797.02 × 647,286.67
  4. Step 4: Simplify right side
    1,191,161.17x = 1,064,007,899,231.72
  5. Step 5: Solve for x
    x = 1,064,007,899,231.72/1,191,161.17
  6. Step 6: Final answer
    x = 893,252.67

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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.