Home / 898,976.76-1,240,587.94-516,995.34

Finding the Fourth Proportional to 898,976.76, 1,240,587.94 and 516,995.34

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Solution

The fourth proportional to 898,976.76, 1,240,587.94 and 516,995.34 is: 713,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,976.76 : 1,240,587.94 = 516,995.34 : x
  2. Step 2: Convert to fraction form
    898,976.76/1,240,587.94 = 516,995.34/x
  3. Step 3: Cross multiply
    898,976.76x = 1,240,587.94 × 516,995.34
  4. Step 4: Simplify right side
    898,976.76x = 641,378,183,840.20
  5. Step 5: Solve for x
    x = 641,378,183,840.20/898,976.76
  6. Step 6: Final answer
    x = 713,453.58

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Double scale
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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.