Home / 885,023.91-1,326,531.21-778,201.11

Finding the Fourth Proportional to 885,023.91, 1,326,531.21 and 778,201.11

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Solution

The fourth proportional to 885,023.91, 1,326,531.21 and 778,201.11 is: 1,166,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,023.91 : 1,326,531.21 = 778,201.11 : x
  2. Step 2: Convert to fraction form
    885,023.91/1,326,531.21 = 778,201.11/x
  3. Step 3: Cross multiply
    885,023.91x = 1,326,531.21 × 778,201.11
  4. Step 4: Simplify right side
    885,023.91x = 1,032,308,060,071.64
  5. Step 5: Solve for x
    x = 1,032,308,060,071.64/885,023.91
  6. Step 6: Final answer
    x = 1,166,418.27

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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.