Home / 718,364.98-1,077,805.05-307,862.02

Finding the Fourth Proportional to 718,364.98, 1,077,805.05 and 307,862.02

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Solution

The fourth proportional to 718,364.98, 1,077,805.05 and 307,862.02 is: 461,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,364.98 : 1,077,805.05 = 307,862.02 : x
  2. Step 2: Convert to fraction form
    718,364.98/1,077,805.05 = 307,862.02/x
  3. Step 3: Cross multiply
    718,364.98x = 1,077,805.05 × 307,862.02
  4. Step 4: Simplify right side
    718,364.98x = 331,815,239,859.20
  5. Step 5: Solve for x
    x = 331,815,239,859.20/718,364.98
  6. Step 6: Final answer
    x = 461,903.42

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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.