Home / 719,460.20-992,829.04-397,163.39

Finding the Fourth Proportional to 719,460.20, 992,829.04 and 397,163.39

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Solution

The fourth proportional to 719,460.20, 992,829.04 and 397,163.39 is: 548,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,460.20 : 992,829.04 = 397,163.39 : x
  2. Step 2: Convert to fraction form
    719,460.20/992,829.04 = 397,163.39/x
  3. Step 3: Cross multiply
    719,460.20x = 992,829.04 × 397,163.39
  4. Step 4: Simplify right side
    719,460.20x = 394,315,341,259.79
  5. Step 5: Solve for x
    x = 394,315,341,259.79/719,460.20
  6. Step 6: Final answer
    x = 548,071.10

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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.