Home / 705,409.27-973,471.92-383,125.66

Finding the Fourth Proportional to 705,409.27, 973,471.92 and 383,125.66

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Solution

The fourth proportional to 705,409.27, 973,471.92 and 383,125.66 is: 528,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,409.27 : 973,471.92 = 383,125.66 : x
  2. Step 2: Convert to fraction form
    705,409.27/973,471.92 = 383,125.66/x
  3. Step 3: Cross multiply
    705,409.27x = 973,471.92 × 383,125.66
  4. Step 4: Simplify right side
    705,409.27x = 372,962,066,974.11
  5. Step 5: Solve for x
    x = 372,962,066,974.11/705,409.27
  6. Step 6: Final answer
    x = 528,717.28

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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.