Home / 812,362.41-1,218,294.14-561,256.52

Finding the Fourth Proportional to 812,362.41, 1,218,294.14 and 561,256.52

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Solution

The fourth proportional to 812,362.41, 1,218,294.14 and 561,256.52 is: 841,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,362.41 : 1,218,294.14 = 561,256.52 : x
  2. Step 2: Convert to fraction form
    812,362.41/1,218,294.14 = 561,256.52/x
  3. Step 3: Cross multiply
    812,362.41x = 1,218,294.14 × 561,256.52
  4. Step 4: Simplify right side
    812,362.41x = 683,775,520,455.04
  5. Step 5: Solve for x
    x = 683,775,520,455.04/812,362.41
  6. Step 6: Final answer
    x = 841,712.41

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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.