Home / 706,452.12-1,057,361.58-386,113.32

Finding the Fourth Proportional to 706,452.12, 1,057,361.58 and 386,113.32

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Solution

The fourth proportional to 706,452.12, 1,057,361.58 and 386,113.32 is: 577,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,452.12 : 1,057,361.58 = 386,113.32 : x
  2. Step 2: Convert to fraction form
    706,452.12/1,057,361.58 = 386,113.32/x
  3. Step 3: Cross multiply
    706,452.12x = 1,057,361.58 × 386,113.32
  4. Step 4: Simplify right side
    706,452.12x = 408,261,390,094.25
  5. Step 5: Solve for x
    x = 408,261,390,094.25/706,452.12
  6. Step 6: Final answer
    x = 577,903.84

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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.