Home / 916,649.64-1,374,953.34-539,959.98

Finding the Fourth Proportional to 916,649.64, 1,374,953.34 and 539,959.98

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Solution

The fourth proportional to 916,649.64, 1,374,953.34 and 539,959.98 is: 809,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,649.64 : 1,374,953.34 = 539,959.98 : x
  2. Step 2: Convert to fraction form
    916,649.64/1,374,953.34 = 539,959.98/x
  3. Step 3: Cross multiply
    916,649.64x = 1,374,953.34 × 539,959.98
  4. Step 4: Simplify right side
    916,649.64x = 742,419,777,967.33
  5. Step 5: Solve for x
    x = 742,419,777,967.33/916,649.64
  6. Step 6: Final answer
    x = 809,927.53

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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.