Home / 460,350.41-690,628.65-140,530.71

Finding the Fourth Proportional to 460,350.41, 690,628.65 and 140,530.71

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Solution

The fourth proportional to 460,350.41, 690,628.65 and 140,530.71 is: 210,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,350.41 : 690,628.65 = 140,530.71 : x
  2. Step 2: Convert to fraction form
    460,350.41/690,628.65 = 140,530.71/x
  3. Step 3: Cross multiply
    460,350.41x = 690,628.65 × 140,530.71
  4. Step 4: Simplify right side
    460,350.41x = 97,054,536,593.71
  5. Step 5: Solve for x
    x = 97,054,536,593.71/460,350.41
  6. Step 6: Final answer
    x = 210,827.53

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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.