Home / 542,973.24-749,302.20-301,292.64

Finding the Fourth Proportional to 542,973.24, 749,302.20 and 301,292.64

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Solution

The fourth proportional to 542,973.24, 749,302.20 and 301,292.64 is: 415,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,973.24 : 749,302.20 = 301,292.64 : x
  2. Step 2: Convert to fraction form
    542,973.24/749,302.20 = 301,292.64/x
  3. Step 3: Cross multiply
    542,973.24x = 749,302.20 × 301,292.64
  4. Step 4: Simplify right side
    542,973.24x = 225,759,237,995.81
  5. Step 5: Solve for x
    x = 225,759,237,995.81/542,973.24
  6. Step 6: Final answer
    x = 415,783.36

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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.