Home / 460,661.72-690,665.20-176,112.36

Finding the Fourth Proportional to 460,661.72, 690,665.20 and 176,112.36

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Solution

The fourth proportional to 460,661.72, 690,665.20 and 176,112.36 is: 264,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,661.72 : 690,665.20 = 176,112.36 : x
  2. Step 2: Convert to fraction form
    460,661.72/690,665.20 = 176,112.36/x
  3. Step 3: Cross multiply
    460,661.72x = 690,665.20 × 176,112.36
  4. Step 4: Simplify right side
    460,661.72x = 121,634,678,341.87
  5. Step 5: Solve for x
    x = 121,634,678,341.87/460,661.72
  6. Step 6: Final answer
    x = 264,043.38

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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.