Home / 1,037,273.80-1,555,910.70-405,977.80

Finding the Fourth Proportional to 1,037,273.80, 1,555,910.70 and 405,977.80

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Solution

The fourth proportional to 1,037,273.80, 1,555,910.70 and 405,977.80 is: 608,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,273.80 : 1,555,910.70 = 405,977.80 : x
  2. Step 2: Convert to fraction form
    1,037,273.80/1,555,910.70 = 405,977.80/x
  3. Step 3: Cross multiply
    1,037,273.80x = 1,555,910.70 × 405,977.80
  4. Step 4: Simplify right side
    1,037,273.80x = 631,665,202,982.46
  5. Step 5: Solve for x
    x = 631,665,202,982.46/1,037,273.80
  6. Step 6: Final answer
    x = 608,966.70

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Double scale
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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.