Home / 955,600.80-1,318,729.30-525,880.92

Finding the Fourth Proportional to 955,600.80, 1,318,729.30 and 525,880.92

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Solution

The fourth proportional to 955,600.80, 1,318,729.30 and 525,880.92 is: 725,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,600.80 : 1,318,729.30 = 525,880.92 : x
  2. Step 2: Convert to fraction form
    955,600.80/1,318,729.30 = 525,880.92/x
  3. Step 3: Cross multiply
    955,600.80x = 1,318,729.30 × 525,880.92
  4. Step 4: Simplify right side
    955,600.80x = 693,494,581,145.49
  5. Step 5: Solve for x
    x = 693,494,581,145.49/955,600.80
  6. Step 6: Final answer
    x = 725,715.78

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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.