Home / 529,004.39-729,532.37-407,951.51

Finding the Fourth Proportional to 529,004.39, 729,532.37 and 407,951.51

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Solution

The fourth proportional to 529,004.39, 729,532.37 and 407,951.51 is: 562,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,004.39 : 729,532.37 = 407,951.51 : x
  2. Step 2: Convert to fraction form
    529,004.39/729,532.37 = 407,951.51/x
  3. Step 3: Cross multiply
    529,004.39x = 729,532.37 × 407,951.51
  4. Step 4: Simplify right side
    529,004.39x = 297,613,829,307.60
  5. Step 5: Solve for x
    x = 297,613,829,307.60/529,004.39
  6. Step 6: Final answer
    x = 562,592.37

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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.