Home / 439,214.51-657,566.66-411,314.06

Finding the Fourth Proportional to 439,214.51, 657,566.66 and 411,314.06

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Solution

The fourth proportional to 439,214.51, 657,566.66 and 411,314.06 is: 615,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,214.51 : 657,566.66 = 411,314.06 : x
  2. Step 2: Convert to fraction form
    439,214.51/657,566.66 = 411,314.06/x
  3. Step 3: Cross multiply
    439,214.51x = 657,566.66 × 411,314.06
  4. Step 4: Simplify right side
    439,214.51x = 270,466,407,300.84
  5. Step 5: Solve for x
    x = 270,466,407,300.84/439,214.51
  6. Step 6: Final answer
    x = 615,795.71

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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.