Home / 726,708.30-1,088,957.13-347,106.32

Finding the Fourth Proportional to 726,708.30, 1,088,957.13 and 347,106.32

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Solution

The fourth proportional to 726,708.30, 1,088,957.13 and 347,106.32 is: 520,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,708.30 : 1,088,957.13 = 347,106.32 : x
  2. Step 2: Convert to fraction form
    726,708.30/1,088,957.13 = 347,106.32/x
  3. Step 3: Cross multiply
    726,708.30x = 1,088,957.13 × 347,106.32
  4. Step 4: Simplify right side
    726,708.30x = 377,983,902,032.06
  5. Step 5: Solve for x
    x = 377,983,902,032.06/726,708.30
  6. Step 6: Final answer
    x = 520,131.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.