Home / 460,769.80-690,680.76-176,393.40

Finding the Fourth Proportional to 460,769.80, 690,680.76 and 176,393.40

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Solution

The fourth proportional to 460,769.80, 690,680.76 and 176,393.40 is: 264,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,769.80 : 690,680.76 = 176,393.40 : x
  2. Step 2: Convert to fraction form
    460,769.80/690,680.76 = 176,393.40/x
  3. Step 3: Cross multiply
    460,769.80x = 690,680.76 × 176,393.40
  4. Step 4: Simplify right side
    460,769.80x = 121,831,527,570.98
  5. Step 5: Solve for x
    x = 121,831,527,570.98/460,769.80
  6. Step 6: Final answer
    x = 264,408.66

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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.