Home / 519,541.40-777,999.90-414,565.40

Finding the Fourth Proportional to 519,541.40, 777,999.90 and 414,565.40

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Solution

The fourth proportional to 519,541.40, 777,999.90 and 414,565.40 is: 620,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,541.40 : 777,999.90 = 414,565.40 : x
  2. Step 2: Convert to fraction form
    519,541.40/777,999.90 = 414,565.40/x
  3. Step 3: Cross multiply
    519,541.40x = 777,999.90 × 414,565.40
  4. Step 4: Simplify right side
    519,541.40x = 322,531,839,743.46
  5. Step 5: Solve for x
    x = 322,531,839,743.46/519,541.40
  6. Step 6: Final answer
    x = 620,801.04

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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.