Home / 460,429.80-690,476.31-175,979.69

Finding the Fourth Proportional to 460,429.80, 690,476.31 and 175,979.69

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Solution

The fourth proportional to 460,429.80, 690,476.31 and 175,979.69 is: 263,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,429.80 : 690,476.31 = 175,979.69 : x
  2. Step 2: Convert to fraction form
    460,429.80/690,476.31 = 175,979.69/x
  3. Step 3: Cross multiply
    460,429.80x = 690,476.31 × 175,979.69
  4. Step 4: Simplify right side
    460,429.80x = 121,509,808,712.34
  5. Step 5: Solve for x
    x = 121,509,808,712.34/460,429.80
  6. Step 6: Final answer
    x = 263,905.18

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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.