Home / 1,191,431.28-1,644,191.82-647,566.92

Finding the Fourth Proportional to 1,191,431.28, 1,644,191.82 and 647,566.92

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Solution

The fourth proportional to 1,191,431.28, 1,644,191.82 and 647,566.92 is: 893,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,431.28 : 1,644,191.82 = 647,566.92 : x
  2. Step 2: Convert to fraction form
    1,191,431.28/1,644,191.82 = 647,566.92/x
  3. Step 3: Cross multiply
    1,191,431.28x = 1,644,191.82 × 647,566.92
  4. Step 4: Simplify right side
    1,191,431.28x = 1,064,724,232,766.59
  5. Step 5: Solve for x
    x = 1,064,724,232,766.59/1,191,431.28
  6. Step 6: Final answer
    x = 893,651.40

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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.