Home / 438,001.28-604,441.92-236,797.28

Finding the Fourth Proportional to 438,001.28, 604,441.92 and 236,797.28

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Solution

The fourth proportional to 438,001.28, 604,441.92 and 236,797.28 is: 326,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,001.28 : 604,441.92 = 236,797.28 : x
  2. Step 2: Convert to fraction form
    438,001.28/604,441.92 = 236,797.28/x
  3. Step 3: Cross multiply
    438,001.28x = 604,441.92 × 236,797.28
  4. Step 4: Simplify right side
    438,001.28x = 143,130,202,573.98
  5. Step 5: Solve for x
    x = 143,130,202,573.98/438,001.28
  6. Step 6: Final answer
    x = 326,780.33

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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.