Home / 460,117.29-689,855.75-203,810.72

Finding the Fourth Proportional to 460,117.29, 689,855.75 and 203,810.72

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Solution

The fourth proportional to 460,117.29, 689,855.75 and 203,810.72 is: 305,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,117.29 : 689,855.75 = 203,810.72 : x
  2. Step 2: Convert to fraction form
    460,117.29/689,855.75 = 203,810.72/x
  3. Step 3: Cross multiply
    460,117.29x = 689,855.75 × 203,810.72
  4. Step 4: Simplify right side
    460,117.29x = 140,599,992,635.31
  5. Step 5: Solve for x
    x = 140,599,992,635.31/460,117.29
  6. Step 6: Final answer
    x = 305,574.24

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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.