Home / 344,160.09-474,749.51-319,804.47

Finding the Fourth Proportional to 344,160.09, 474,749.51 and 319,804.47

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Solution

The fourth proportional to 344,160.09, 474,749.51 and 319,804.47 is: 441,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,160.09 : 474,749.51 = 319,804.47 : x
  2. Step 2: Convert to fraction form
    344,160.09/474,749.51 = 319,804.47/x
  3. Step 3: Cross multiply
    344,160.09x = 474,749.51 × 319,804.47
  4. Step 4: Simplify right side
    344,160.09x = 151,827,013,829.29
  5. Step 5: Solve for x
    x = 151,827,013,829.29/344,160.09
  6. Step 6: Final answer
    x = 441,152.30

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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.