Home / 402,580.64-555,562.44-230,501.24

Finding the Fourth Proportional to 402,580.64, 555,562.44 and 230,501.24

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Solution

The fourth proportional to 402,580.64, 555,562.44 and 230,501.24 is: 318,092.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,580.64 : 555,562.44 = 230,501.24 : x
  2. Step 2: Convert to fraction form
    402,580.64/555,562.44 = 230,501.24/x
  3. Step 3: Cross multiply
    402,580.64x = 555,562.44 × 230,501.24
  4. Step 4: Simplify right side
    402,580.64x = 128,057,831,795.37
  5. Step 5: Solve for x
    x = 128,057,831,795.37/402,580.64
  6. Step 6: Final answer
    x = 318,092.38

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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.