Home / 826,778.96-1,141,301.64-558,869.84

Finding the Fourth Proportional to 826,778.96, 1,141,301.64 and 558,869.84

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Solution

The fourth proportional to 826,778.96, 1,141,301.64 and 558,869.84 is: 771,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,778.96 : 1,141,301.64 = 558,869.84 : x
  2. Step 2: Convert to fraction form
    826,778.96/1,141,301.64 = 558,869.84/x
  3. Step 3: Cross multiply
    826,778.96x = 1,141,301.64 × 558,869.84
  4. Step 4: Simplify right side
    826,778.96x = 637,839,064,938.54
  5. Step 5: Solve for x
    x = 637,839,064,938.54/826,778.96
  6. Step 6: Final answer
    x = 771,474.72

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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.