Home / 955,188.96-1,318,108.77-525,399.72

Finding the Fourth Proportional to 955,188.96, 1,318,108.77 and 525,399.72

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Solution

The fourth proportional to 955,188.96, 1,318,108.77 and 525,399.72 is: 725,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,188.96 : 1,318,108.77 = 525,399.72 : x
  2. Step 2: Convert to fraction form
    955,188.96/1,318,108.77 = 525,399.72/x
  3. Step 3: Cross multiply
    955,188.96x = 1,318,108.77 × 525,399.72
  4. Step 4: Simplify right side
    955,188.96x = 692,533,978,687.54
  5. Step 5: Solve for x
    x = 692,533,978,687.54/955,188.96
  6. Step 6: Final answer
    x = 725,023.01

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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.