Home / 719,466.95-992,867.56-397,179.69

Finding the Fourth Proportional to 719,466.95, 992,867.56 and 397,179.69

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Solution

The fourth proportional to 719,466.95, 992,867.56 and 397,179.69 is: 548,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,466.95 : 992,867.56 = 397,179.69 : x
  2. Step 2: Convert to fraction form
    719,466.95/992,867.56 = 397,179.69/x
  3. Step 3: Cross multiply
    719,466.95x = 992,867.56 × 397,179.69
  4. Step 4: Simplify right side
    719,466.95x = 394,346,835,028.58
  5. Step 5: Solve for x
    x = 394,346,835,028.58/719,466.95
  6. Step 6: Final answer
    x = 548,109.73

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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.