Home / 529,576.56-730,113.48-438,597.36

Finding the Fourth Proportional to 529,576.56, 730,113.48 and 438,597.36

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Solution

The fourth proportional to 529,576.56, 730,113.48 and 438,597.36 is: 604,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,576.56 : 730,113.48 = 438,597.36 : x
  2. Step 2: Convert to fraction form
    529,576.56/730,113.48 = 438,597.36/x
  3. Step 3: Cross multiply
    529,576.56x = 730,113.48 × 438,597.36
  4. Step 4: Simplify right side
    529,576.56x = 320,225,844,828.41
  5. Step 5: Solve for x
    x = 320,225,844,828.41/529,576.56
  6. Step 6: Final answer
    x = 604,682.81

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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.