Home / 855,346.37-1,180,250.96-519,509.69

Finding the Fourth Proportional to 855,346.37, 1,180,250.96 and 519,509.69

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Solution

The fourth proportional to 855,346.37, 1,180,250.96 and 519,509.69 is: 716,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,346.37 : 1,180,250.96 = 519,509.69 : x
  2. Step 2: Convert to fraction form
    855,346.37/1,180,250.96 = 519,509.69/x
  3. Step 3: Cross multiply
    855,346.37x = 1,180,250.96 × 519,509.69
  4. Step 4: Simplify right side
    855,346.37x = 613,151,810,351.80
  5. Step 5: Solve for x
    x = 613,151,810,351.80/855,346.37
  6. Step 6: Final answer
    x = 716,846.22

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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.