Home / 477,528.39-658,651.98-405,412.05

Finding the Fourth Proportional to 477,528.39, 658,651.98 and 405,412.05

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Solution

The fourth proportional to 477,528.39, 658,651.98 and 405,412.05 is: 559,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,528.39 : 658,651.98 = 405,412.05 : x
  2. Step 2: Convert to fraction form
    477,528.39/658,651.98 = 405,412.05/x
  3. Step 3: Cross multiply
    477,528.39x = 658,651.98 × 405,412.05
  4. Step 4: Simplify right side
    477,528.39x = 267,025,449,448.36
  5. Step 5: Solve for x
    x = 267,025,449,448.36/477,528.39
  6. Step 6: Final answer
    x = 559,182.35

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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.