Home / 719,444.64-991,911.24-589,906.20

Finding the Fourth Proportional to 719,444.64, 991,911.24 and 589,906.20

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Solution

The fourth proportional to 719,444.64, 991,911.24 and 589,906.20 is: 813,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,444.64 : 991,911.24 = 589,906.20 : x
  2. Step 2: Convert to fraction form
    719,444.64/991,911.24 = 589,906.20/x
  3. Step 3: Cross multiply
    719,444.64x = 991,911.24 × 589,906.20
  4. Step 4: Simplify right side
    719,444.64x = 585,134,590,325.69
  5. Step 5: Solve for x
    x = 585,134,590,325.69/719,444.64
  6. Step 6: Final answer
    x = 813,314.27

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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.