Home / 651,131.90-976,688.69-395,025.48

Finding the Fourth Proportional to 651,131.90, 976,688.69 and 395,025.48

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Solution

The fourth proportional to 651,131.90, 976,688.69 and 395,025.48 is: 592,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,131.90 : 976,688.69 = 395,025.48 : x
  2. Step 2: Convert to fraction form
    651,131.90/976,688.69 = 395,025.48/x
  3. Step 3: Cross multiply
    651,131.90x = 976,688.69 × 395,025.48
  4. Step 4: Simplify right side
    651,131.90x = 385,816,918,577.82
  5. Step 5: Solve for x
    x = 385,816,918,577.82/651,131.90
  6. Step 6: Final answer
    x = 592,532.66

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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.