Home / 659,548.32-911,030.92-487,815.36

Finding the Fourth Proportional to 659,548.32, 911,030.92 and 487,815.36

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Solution

The fourth proportional to 659,548.32, 911,030.92 and 487,815.36 is: 673,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,548.32 : 911,030.92 = 487,815.36 : x
  2. Step 2: Convert to fraction form
    659,548.32/911,030.92 = 487,815.36/x
  3. Step 3: Cross multiply
    659,548.32x = 911,030.92 × 487,815.36
  4. Step 4: Simplify right side
    659,548.32x = 444,414,876,210.93
  5. Step 5: Solve for x
    x = 444,414,876,210.93/659,548.32
  6. Step 6: Final answer
    x = 673,817.01

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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.