Home / 996,564.51-1,375,258.65-543,855.51

Finding the Fourth Proportional to 996,564.51, 1,375,258.65 and 543,855.51

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Solution

The fourth proportional to 996,564.51, 1,375,258.65 and 543,855.51 is: 750,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,564.51 : 1,375,258.65 = 543,855.51 : x
  2. Step 2: Convert to fraction form
    996,564.51/1,375,258.65 = 543,855.51/x
  3. Step 3: Cross multiply
    996,564.51x = 1,375,258.65 × 543,855.51
  4. Step 4: Simplify right side
    996,564.51x = 747,941,994,477.66
  5. Step 5: Solve for x
    x = 747,941,994,477.66/996,564.51
  6. Step 6: Final answer
    x = 750,520.40

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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.