Home / 801,564.85-1,106,159.88-439,011.51

Finding the Fourth Proportional to 801,564.85, 1,106,159.88 and 439,011.51

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Solution

The fourth proportional to 801,564.85, 1,106,159.88 and 439,011.51 is: 605,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,564.85 : 1,106,159.88 = 439,011.51 : x
  2. Step 2: Convert to fraction form
    801,564.85/1,106,159.88 = 439,011.51/x
  3. Step 3: Cross multiply
    801,564.85x = 1,106,159.88 × 439,011.51
  4. Step 4: Simplify right side
    801,564.85x = 485,616,920,471.12
  5. Step 5: Solve for x
    x = 485,616,920,471.12/801,564.85
  6. Step 6: Final answer
    x = 605,836.10

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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.