Home / 695,569.14-959,921.37-389,627.64

Finding the Fourth Proportional to 695,569.14, 959,921.37 and 389,627.64

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Solution

The fourth proportional to 695,569.14, 959,921.37 and 389,627.64 is: 537,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,569.14 : 959,921.37 = 389,627.64 : x
  2. Step 2: Convert to fraction form
    695,569.14/959,921.37 = 389,627.64/x
  3. Step 3: Cross multiply
    695,569.14x = 959,921.37 × 389,627.64
  4. Step 4: Simplify right side
    695,569.14x = 374,011,897,978.67
  5. Step 5: Solve for x
    x = 374,011,897,978.67/695,569.14
  6. Step 6: Final answer
    x = 537,706.28

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1.5x scale

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.