Home / 714,725.58-985,949.01-578,912.88

Finding the Fourth Proportional to 714,725.58, 985,949.01 and 578,912.88

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Solution

The fourth proportional to 714,725.58, 985,949.01 and 578,912.88 is: 798,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,725.58 : 985,949.01 = 578,912.88 : x
  2. Step 2: Convert to fraction form
    714,725.58/985,949.01 = 578,912.88/x
  3. Step 3: Cross multiply
    714,725.58x = 985,949.01 × 578,912.88
  4. Step 4: Simplify right side
    714,725.58x = 570,778,580,912.25
  5. Step 5: Solve for x
    x = 570,778,580,912.25/714,725.58
  6. Step 6: Final answer
    x = 798,598.23

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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.