Home / 1,114,330.40-1,671,301.20-403,992.80

Finding the Fourth Proportional to 1,114,330.40, 1,671,301.20 and 403,992.80

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Solution

The fourth proportional to 1,114,330.40, 1,671,301.20 and 403,992.80 is: 605,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,330.40 : 1,671,301.20 = 403,992.80 : x
  2. Step 2: Convert to fraction form
    1,114,330.40/1,671,301.20 = 403,992.80/x
  3. Step 3: Cross multiply
    1,114,330.40x = 1,671,301.20 × 403,992.80
  4. Step 4: Simplify right side
    1,114,330.40x = 675,193,651,431.36
  5. Step 5: Solve for x
    x = 675,193,651,431.36/1,114,330.40
  6. Step 6: Final answer
    x = 605,918.72

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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.