Home / 438,168.64-604,688.16-247,190.08

Finding the Fourth Proportional to 438,168.64, 604,688.16 and 247,190.08

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Solution

The fourth proportional to 438,168.64, 604,688.16 and 247,190.08 is: 341,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,168.64 : 604,688.16 = 247,190.08 : x
  2. Step 2: Convert to fraction form
    438,168.64/604,688.16 = 247,190.08/x
  3. Step 3: Cross multiply
    438,168.64x = 604,688.16 × 247,190.08
  4. Step 4: Simplify right side
    438,168.64x = 149,472,914,645.45
  5. Step 5: Solve for x
    x = 149,472,914,645.45/438,168.64
  6. Step 6: Final answer
    x = 341,131.02

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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.