Home / 437,999.28-604,439.16-236,795.28

Finding the Fourth Proportional to 437,999.28, 604,439.16 and 236,795.28

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Solution

The fourth proportional to 437,999.28, 604,439.16 and 236,795.28 is: 326,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,999.28 : 604,439.16 = 236,795.28 : x
  2. Step 2: Convert to fraction form
    437,999.28/604,439.16 = 236,795.28/x
  3. Step 3: Cross multiply
    437,999.28x = 604,439.16 × 236,795.28
  4. Step 4: Simplify right side
    437,999.28x = 143,128,340,135.17
  5. Step 5: Solve for x
    x = 143,128,340,135.17/437,999.28
  6. Step 6: Final answer
    x = 326,777.57

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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.