Home / 472,045.48-651,664.00-319,887.59

Finding the Fourth Proportional to 472,045.48, 651,664.00 and 319,887.59

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Solution

The fourth proportional to 472,045.48, 651,664.00 and 319,887.59 is: 441,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,045.48 : 651,664.00 = 319,887.59 : x
  2. Step 2: Convert to fraction form
    472,045.48/651,664.00 = 319,887.59/x
  3. Step 3: Cross multiply
    472,045.48x = 651,664.00 × 319,887.59
  4. Step 4: Simplify right side
    472,045.48x = 208,459,223,591.30
  5. Step 5: Solve for x
    x = 208,459,223,591.30/472,045.48
  6. Step 6: Final answer
    x = 441,608.35

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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.