Home / 558,386.36-770,569.68-303,738.56

Finding the Fourth Proportional to 558,386.36, 770,569.68 and 303,738.56

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Solution

The fourth proportional to 558,386.36, 770,569.68 and 303,738.56 is: 419,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,386.36 : 770,569.68 = 303,738.56 : x
  2. Step 2: Convert to fraction form
    558,386.36/770,569.68 = 303,738.56/x
  3. Step 3: Cross multiply
    558,386.36x = 770,569.68 × 303,738.56
  4. Step 4: Simplify right side
    558,386.36x = 234,051,724,982.86
  5. Step 5: Solve for x
    x = 234,051,724,982.86/558,386.36
  6. Step 6: Final answer
    x = 419,157.31

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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.