Home / 966,117.20-1,449,694.20-405,208.40

Finding the Fourth Proportional to 966,117.20, 1,449,694.20 and 405,208.40

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Solution

The fourth proportional to 966,117.20, 1,449,694.20 and 405,208.40 is: 608,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,117.20 : 1,449,694.20 = 405,208.40 : x
  2. Step 2: Convert to fraction form
    966,117.20/1,449,694.20 = 405,208.40/x
  3. Step 3: Cross multiply
    966,117.20x = 1,449,694.20 × 405,208.40
  4. Step 4: Simplify right side
    966,117.20x = 587,428,267,271.28
  5. Step 5: Solve for x
    x = 587,428,267,271.28/966,117.20
  6. Step 6: Final answer
    x = 608,030.03

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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.