Home / 460,660.72-690,663.70-176,111.36

Finding the Fourth Proportional to 460,660.72, 690,663.70 and 176,111.36

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Solution

The fourth proportional to 460,660.72, 690,663.70 and 176,111.36 is: 264,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,660.72 : 690,663.70 = 176,111.36 : x
  2. Step 2: Convert to fraction form
    460,660.72/690,663.70 = 176,111.36/x
  3. Step 3: Cross multiply
    460,660.72x = 690,663.70 × 176,111.36
  4. Step 4: Simplify right side
    460,660.72x = 121,633,723,509.63
  5. Step 5: Solve for x
    x = 121,633,723,509.63/460,660.72
  6. Step 6: Final answer
    x = 264,041.88

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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.