Home / 829,969.97-1,145,407.37-507,741.83

Finding the Fourth Proportional to 829,969.97, 1,145,407.37 and 507,741.83

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Solution

The fourth proportional to 829,969.97, 1,145,407.37 and 507,741.83 is: 700,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,969.97 : 1,145,407.37 = 507,741.83 : x
  2. Step 2: Convert to fraction form
    829,969.97/1,145,407.37 = 507,741.83/x
  3. Step 3: Cross multiply
    829,969.97x = 1,145,407.37 × 507,741.83
  4. Step 4: Simplify right side
    829,969.97x = 581,571,229,681.61
  5. Step 5: Solve for x
    x = 581,571,229,681.61/829,969.97
  6. Step 6: Final answer
    x = 700,713.59

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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.