Home / 579,949.95-870,561.29-460,772.96

Finding the Fourth Proportional to 579,949.95, 870,561.29 and 460,772.96

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Solution

The fourth proportional to 579,949.95, 870,561.29 and 460,772.96 is: 691,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,949.95 : 870,561.29 = 460,772.96 : x
  2. Step 2: Convert to fraction form
    579,949.95/870,561.29 = 460,772.96/x
  3. Step 3: Cross multiply
    579,949.95x = 870,561.29 × 460,772.96
  4. Step 4: Simplify right side
    579,949.95x = 401,131,095,798.05
  5. Step 5: Solve for x
    x = 401,131,095,798.05/579,949.95
  6. Step 6: Final answer
    x = 691,665.02

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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.