Home / 941,320.85-1,411,639.45-515,171.61

Finding the Fourth Proportional to 941,320.85, 1,411,639.45 and 515,171.61

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Solution

The fourth proportional to 941,320.85, 1,411,639.45 and 515,171.61 is: 772,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,320.85 : 1,411,639.45 = 515,171.61 : x
  2. Step 2: Convert to fraction form
    941,320.85/1,411,639.45 = 515,171.61/x
  3. Step 3: Cross multiply
    941,320.85x = 1,411,639.45 × 515,171.61
  4. Step 4: Simplify right side
    941,320.85x = 727,236,566,908.09
  5. Step 5: Solve for x
    x = 727,236,566,908.09/941,320.85
  6. Step 6: Final answer
    x = 772,570.34

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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.