Home / 955,300.92-1,318,315.20-525,571.82

Finding the Fourth Proportional to 955,300.92, 1,318,315.20 and 525,571.82

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Solution

The fourth proportional to 955,300.92, 1,318,315.20 and 525,571.82 is: 725,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,300.92 : 1,318,315.20 = 525,571.82 : x
  2. Step 2: Convert to fraction form
    955,300.92/1,318,315.20 = 525,571.82/x
  3. Step 3: Cross multiply
    955,300.92x = 1,318,315.20 × 525,571.82
  4. Step 4: Simplify right side
    955,300.92x = 692,869,318,997.66
  5. Step 5: Solve for x
    x = 692,869,318,997.66/955,300.92
  6. Step 6: Final answer
    x = 725,289.07

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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.