Home / 1,114,720.40-1,671,886.20-404,382.80

Finding the Fourth Proportional to 1,114,720.40, 1,671,886.20 and 404,382.80

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Solution

The fourth proportional to 1,114,720.40, 1,671,886.20 and 404,382.80 is: 606,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,720.40 : 1,671,886.20 = 404,382.80 : x
  2. Step 2: Convert to fraction form
    1,114,720.40/1,671,886.20 = 404,382.80/x
  3. Step 3: Cross multiply
    1,114,720.40x = 1,671,886.20 × 404,382.80
  4. Step 4: Simplify right side
    1,114,720.40x = 676,082,022,837.36
  5. Step 5: Solve for x
    x = 676,082,022,837.36/1,114,720.40
  6. Step 6: Final answer
    x = 606,503.68

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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.