Home / 791,259.69-1,185,462.50-487,124.54

Finding the Fourth Proportional to 791,259.69, 1,185,462.50 and 487,124.54

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Solution

The fourth proportional to 791,259.69, 1,185,462.50 and 487,124.54 is: 729,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,259.69 : 1,185,462.50 = 487,124.54 : x
  2. Step 2: Convert to fraction form
    791,259.69/1,185,462.50 = 487,124.54/x
  3. Step 3: Cross multiply
    791,259.69x = 1,185,462.50 × 487,124.54
  4. Step 4: Simplify right side
    791,259.69x = 577,467,870,290.25
  5. Step 5: Solve for x
    x = 577,467,870,290.25/791,259.69
  6. Step 6: Final answer
    x = 729,808.28

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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.