Home / 613,288.20-919,932.30-558,175.80

Finding the Fourth Proportional to 613,288.20, 919,932.30 and 558,175.80

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Solution

The fourth proportional to 613,288.20, 919,932.30 and 558,175.80 is: 837,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,288.20 : 919,932.30 = 558,175.80 : x
  2. Step 2: Convert to fraction form
    613,288.20/919,932.30 = 558,175.80/x
  3. Step 3: Cross multiply
    613,288.20x = 919,932.30 × 558,175.80
  4. Step 4: Simplify right side
    613,288.20x = 513,483,947,498.34
  5. Step 5: Solve for x
    x = 513,483,947,498.34/613,288.20
  6. Step 6: Final answer
    x = 837,263.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.