Home / 955,133.37-1,318,090.32-525,402.45

Finding the Fourth Proportional to 955,133.37, 1,318,090.32 and 525,402.45

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Solution

The fourth proportional to 955,133.37, 1,318,090.32 and 525,402.45 is: 725,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,133.37 : 1,318,090.32 = 525,402.45 : x
  2. Step 2: Convert to fraction form
    955,133.37/1,318,090.32 = 525,402.45/x
  3. Step 3: Cross multiply
    955,133.37x = 1,318,090.32 × 525,402.45
  4. Step 4: Simplify right side
    955,133.37x = 692,527,883,449.28
  5. Step 5: Solve for x
    x = 692,527,883,449.28/955,133.37
  6. Step 6: Final answer
    x = 725,058.83

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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.