Home / 955,243.56-1,318,188.47-525,512.64

Finding the Fourth Proportional to 955,243.56, 1,318,188.47 and 525,512.64

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Solution

The fourth proportional to 955,243.56, 1,318,188.47 and 525,512.64 is: 725,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,243.56 : 1,318,188.47 = 525,512.64 : x
  2. Step 2: Convert to fraction form
    955,243.56/1,318,188.47 = 525,512.64/x
  3. Step 3: Cross multiply
    955,243.56x = 1,318,188.47 × 525,512.64
  4. Step 4: Simplify right side
    955,243.56x = 692,724,700,259.70
  5. Step 5: Solve for x
    x = 692,724,700,259.70/955,243.56
  6. Step 6: Final answer
    x = 725,181.23

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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.