Home / 1,248,731.47-1,873,149.45-395,784.46

Finding the Fourth Proportional to 1,248,731.47, 1,873,149.45 and 395,784.46

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Solution

The fourth proportional to 1,248,731.47, 1,873,149.45 and 395,784.46 is: 593,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,731.47 : 1,873,149.45 = 395,784.46 : x
  2. Step 2: Convert to fraction form
    1,248,731.47/1,873,149.45 = 395,784.46/x
  3. Step 3: Cross multiply
    1,248,731.47x = 1,873,149.45 × 395,784.46
  4. Step 4: Simplify right side
    1,248,731.47x = 741,363,443,567.55
  5. Step 5: Solve for x
    x = 741,363,443,567.55/1,248,731.47
  6. Step 6: Final answer
    x = 593,693.25

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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.