Home / 887,814.89-1,224,380.21-581,780.11

Finding the Fourth Proportional to 887,814.89, 1,224,380.21 and 581,780.11

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Solution

The fourth proportional to 887,814.89, 1,224,380.21 and 581,780.11 is: 802,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,814.89 : 1,224,380.21 = 581,780.11 : x
  2. Step 2: Convert to fraction form
    887,814.89/1,224,380.21 = 581,780.11/x
  3. Step 3: Cross multiply
    887,814.89x = 1,224,380.21 × 581,780.11
  4. Step 4: Simplify right side
    887,814.89x = 712,320,044,224.82
  5. Step 5: Solve for x
    x = 712,320,044,224.82/887,814.89
  6. Step 6: Final answer
    x = 802,329.47

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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.