Home / 460,060.40-690,349.80-179,541.20

Finding the Fourth Proportional to 460,060.40, 690,349.80 and 179,541.20

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Solution

The fourth proportional to 460,060.40, 690,349.80 and 179,541.20 is: 269,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,060.40 : 690,349.80 = 179,541.20 : x
  2. Step 2: Convert to fraction form
    460,060.40/690,349.80 = 179,541.20/x
  3. Step 3: Cross multiply
    460,060.40x = 690,349.80 × 179,541.20
  4. Step 4: Simplify right side
    460,060.40x = 123,946,231,511.76
  5. Step 5: Solve for x
    x = 123,946,231,511.76/460,060.40
  6. Step 6: Final answer
    x = 269,412.95

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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.