Home / 403,750.17-557,187.93-231,699.69

Finding the Fourth Proportional to 403,750.17, 557,187.93 and 231,699.69

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Solution

The fourth proportional to 403,750.17, 557,187.93 and 231,699.69 is: 319,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,750.17 : 557,187.93 = 231,699.69 : x
  2. Step 2: Convert to fraction form
    403,750.17/557,187.93 = 231,699.69/x
  3. Step 3: Cross multiply
    403,750.17x = 557,187.93 × 231,699.69
  4. Step 4: Simplify right side
    403,750.17x = 129,100,270,652.74
  5. Step 5: Solve for x
    x = 129,100,270,652.74/403,750.17
  6. Step 6: Final answer
    x = 319,752.86

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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.