Home / 1,114,120.80-1,671,837.30-404,220.60

Finding the Fourth Proportional to 1,114,120.80, 1,671,837.30 and 404,220.60

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Solution

The fourth proportional to 1,114,120.80, 1,671,837.30 and 404,220.60 is: 606,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,120.80 : 1,671,837.30 = 404,220.60 : x
  2. Step 2: Convert to fraction form
    1,114,120.80/1,671,837.30 = 404,220.60/x
  3. Step 3: Cross multiply
    1,114,120.80x = 1,671,837.30 × 404,220.60
  4. Step 4: Simplify right side
    1,114,120.80x = 675,791,076,508.38
  5. Step 5: Solve for x
    x = 675,791,076,508.38/1,114,120.80
  6. Step 6: Final answer
    x = 606,568.94

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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.