Home / 719,436.54-992,751.66-397,125.84

Finding the Fourth Proportional to 719,436.54, 992,751.66 and 397,125.84

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Solution

The fourth proportional to 719,436.54, 992,751.66 and 397,125.84 is: 547,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,436.54 : 992,751.66 = 397,125.84 : x
  2. Step 2: Convert to fraction form
    719,436.54/992,751.66 = 397,125.84/x
  3. Step 3: Cross multiply
    719,436.54x = 992,751.66 × 397,125.84
  4. Step 4: Simplify right side
    719,436.54x = 394,247,336,888.89
  5. Step 5: Solve for x
    x = 394,247,336,888.89/719,436.54
  6. Step 6: Final answer
    x = 547,994.60

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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.