Home / 683,536.98-943,308.02-393,148.08

Finding the Fourth Proportional to 683,536.98, 943,308.02 and 393,148.08

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Solution

The fourth proportional to 683,536.98, 943,308.02 and 393,148.08 is: 542,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,536.98 : 943,308.02 = 393,148.08 : x
  2. Step 2: Convert to fraction form
    683,536.98/943,308.02 = 393,148.08/x
  3. Step 3: Cross multiply
    683,536.98x = 943,308.02 × 393,148.08
  4. Step 4: Simplify right side
    683,536.98x = 370,859,734,945.86
  5. Step 5: Solve for x
    x = 370,859,734,945.86/683,536.98
  6. Step 6: Final answer
    x = 542,559.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.