Home / 472,046.04-651,664.78-319,888.15

Finding the Fourth Proportional to 472,046.04, 651,664.78 and 319,888.15

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Solution

The fourth proportional to 472,046.04, 651,664.78 and 319,888.15 is: 441,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,046.04 : 651,664.78 = 319,888.15 : x
  2. Step 2: Convert to fraction form
    472,046.04/651,664.78 = 319,888.15/x
  3. Step 3: Cross multiply
    472,046.04x = 651,664.78 × 319,888.15
  4. Step 4: Simplify right side
    472,046.04x = 208,459,838,465.48
  5. Step 5: Solve for x
    x = 208,459,838,465.48/472,046.04
  6. Step 6: Final answer
    x = 441,609.12

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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.