Home / 955,535.80-1,318,611.38-525,815.64

Finding the Fourth Proportional to 955,535.80, 1,318,611.38 and 525,815.64

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Solution

The fourth proportional to 955,535.80, 1,318,611.38 and 525,815.64 is: 725,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,535.80 : 1,318,611.38 = 525,815.64 : x
  2. Step 2: Convert to fraction form
    955,535.80/1,318,611.38 = 525,815.64/x
  3. Step 3: Cross multiply
    955,535.80x = 1,318,611.38 × 525,815.64
  4. Step 4: Simplify right side
    955,535.80x = 693,346,486,685.98
  5. Step 5: Solve for x
    x = 693,346,486,685.98/955,535.80
  6. Step 6: Final answer
    x = 725,610.16

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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.