Home / 923,037.60-1,273,855.80-515,218.80

Finding the Fourth Proportional to 923,037.60, 1,273,855.80 and 515,218.80

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Solution

The fourth proportional to 923,037.60, 1,273,855.80 and 515,218.80 is: 711,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,037.60 : 1,273,855.80 = 515,218.80 : x
  2. Step 2: Convert to fraction form
    923,037.60/1,273,855.80 = 515,218.80/x
  3. Step 3: Cross multiply
    923,037.60x = 1,273,855.80 × 515,218.80
  4. Step 4: Simplify right side
    923,037.60x = 656,314,456,649.04
  5. Step 5: Solve for x
    x = 656,314,456,649.04/923,037.60
  6. Step 6: Final answer
    x = 711,037.62

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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.