Home / 438,199.96-604,743.60-247,143.64

Finding the Fourth Proportional to 438,199.96, 604,743.60 and 247,143.64

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Solution

The fourth proportional to 438,199.96, 604,743.60 and 247,143.64 is: 341,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,199.96 : 604,743.60 = 247,143.64 : x
  2. Step 2: Convert to fraction form
    438,199.96/604,743.60 = 247,143.64/x
  3. Step 3: Cross multiply
    438,199.96x = 604,743.60 × 247,143.64
  4. Step 4: Simplify right side
    438,199.96x = 149,458,534,570.70
  5. Step 5: Solve for x
    x = 149,458,534,570.70/438,199.96
  6. Step 6: Final answer
    x = 341,073.82

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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.