Home / 439,223.04-657,579.38-411,322.56

Finding the Fourth Proportional to 439,223.04, 657,579.38 and 411,322.56

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Solution

The fourth proportional to 439,223.04, 657,579.38 and 411,322.56 is: 615,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,223.04 : 657,579.38 = 411,322.56 : x
  2. Step 2: Convert to fraction form
    439,223.04/657,579.38 = 411,322.56/x
  3. Step 3: Cross multiply
    439,223.04x = 657,579.38 × 411,322.56
  4. Step 4: Simplify right side
    439,223.04x = 270,477,233,984.81
  5. Step 5: Solve for x
    x = 270,477,233,984.81/439,223.04
  6. Step 6: Final answer
    x = 615,808.39

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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.