Home / 1,191,776.08-1,644,683.40-647,948.44

Finding the Fourth Proportional to 1,191,776.08, 1,644,683.40 and 647,948.44

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Solution

The fourth proportional to 1,191,776.08, 1,644,683.40 and 647,948.44 is: 894,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,776.08 : 1,644,683.40 = 647,948.44 : x
  2. Step 2: Convert to fraction form
    1,191,776.08/1,644,683.40 = 647,948.44/x
  3. Step 3: Cross multiply
    1,191,776.08x = 1,644,683.40 × 647,948.44
  4. Step 4: Simplify right side
    1,191,776.08x = 1,065,670,043,323.90
  5. Step 5: Solve for x
    x = 1,065,670,043,323.90/1,191,776.08
  6. Step 6: Final answer
    x = 894,186.47

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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.