Home / 842,739.84-1,162,997.76-460,790.40

Finding the Fourth Proportional to 842,739.84, 1,162,997.76 and 460,790.40

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Solution

The fourth proportional to 842,739.84, 1,162,997.76 and 460,790.40 is: 635,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,739.84 : 1,162,997.76 = 460,790.40 : x
  2. Step 2: Convert to fraction form
    842,739.84/1,162,997.76 = 460,790.40/x
  3. Step 3: Cross multiply
    842,739.84x = 1,162,997.76 × 460,790.40
  4. Step 4: Simplify right side
    842,739.84x = 535,898,203,029.50
  5. Step 5: Solve for x
    x = 535,898,203,029.50/842,739.84
  6. Step 6: Final answer
    x = 635,899.93

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1.5x scale

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.