Home / 403,536.96-556,283.28-258,321.36

Finding the Fourth Proportional to 403,536.96, 556,283.28 and 258,321.36

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Solution

The fourth proportional to 403,536.96, 556,283.28 and 258,321.36 is: 356,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,536.96 : 556,283.28 = 258,321.36 : x
  2. Step 2: Convert to fraction form
    403,536.96/556,283.28 = 258,321.36/x
  3. Step 3: Cross multiply
    403,536.96x = 556,283.28 × 258,321.36
  4. Step 4: Simplify right side
    403,536.96x = 143,699,853,434.86
  5. Step 5: Solve for x
    x = 143,699,853,434.86/403,536.96
  6. Step 6: Final answer
    x = 356,100.85

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1.5x scale

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.