Home / 651,115.64-976,664.34-395,009.24

Finding the Fourth Proportional to 651,115.64, 976,664.34 and 395,009.24

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Solution

The fourth proportional to 651,115.64, 976,664.34 and 395,009.24 is: 592,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,115.64 : 976,664.34 = 395,009.24 : x
  2. Step 2: Convert to fraction form
    651,115.64/976,664.34 = 395,009.24/x
  3. Step 3: Cross multiply
    651,115.64x = 976,664.34 × 395,009.24
  4. Step 4: Simplify right side
    651,115.64x = 385,791,433,795.18
  5. Step 5: Solve for x
    x = 385,791,433,795.18/651,115.64
  6. Step 6: Final answer
    x = 592,508.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.