Home / 842,739.84-1,162,981.44-460,769.76

Finding the Fourth Proportional to 842,739.84, 1,162,981.44 and 460,769.76

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Solution

The fourth proportional to 842,739.84, 1,162,981.44 and 460,769.76 is: 635,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,739.84 : 1,162,981.44 = 460,769.76 : x
  2. Step 2: Convert to fraction form
    842,739.84/1,162,981.44 = 460,769.76/x
  3. Step 3: Cross multiply
    842,739.84x = 1,162,981.44 × 460,769.76
  4. Step 4: Simplify right side
    842,739.84x = 535,866,678,993.25
  5. Step 5: Solve for x
    x = 535,866,678,993.25/842,739.84
  6. Step 6: Final answer
    x = 635,862.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.