Home / 955,534.80-1,318,610-525,814.64

Finding the Fourth Proportional to 955,534.80, 1,318,610 and 525,814.64

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Solution

The fourth proportional to 955,534.80, 1,318,610 and 525,814.64 is: 725,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,534.80 : 1,318,610 = 525,814.64 : x
  2. Step 2: Convert to fraction form
    955,534.80/1,318,610 = 525,814.64/x
  3. Step 3: Cross multiply
    955,534.80x = 1,318,610 × 525,814.64
  4. Step 4: Simplify right side
    955,534.80x = 693,344,442,450.40
  5. Step 5: Solve for x
    x = 693,344,442,450.40/955,534.80
  6. Step 6: Final answer
    x = 725,608.78

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1.5x scale

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.