Home / 885,266.40-1,326,315.60-538,418.40

Finding the Fourth Proportional to 885,266.40, 1,326,315.60 and 538,418.40

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Solution

The fourth proportional to 885,266.40, 1,326,315.60 and 538,418.40 is: 806,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,266.40 : 1,326,315.60 = 538,418.40 : x
  2. Step 2: Convert to fraction form
    885,266.40/1,326,315.60 = 538,418.40/x
  3. Step 3: Cross multiply
    885,266.40x = 1,326,315.60 × 538,418.40
  4. Step 4: Simplify right side
    885,266.40x = 714,112,723,247.04
  5. Step 5: Solve for x
    x = 714,112,723,247.04/885,266.40
  6. Step 6: Final answer
    x = 806,664.21

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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.