Home / 862,818.34-1,190,693.30-500,456.74

Finding the Fourth Proportional to 862,818.34, 1,190,693.30 and 500,456.74

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Solution

The fourth proportional to 862,818.34, 1,190,693.30 and 500,456.74 is: 690,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,818.34 : 1,190,693.30 = 500,456.74 : x
  2. Step 2: Convert to fraction form
    862,818.34/1,190,693.30 = 500,456.74/x
  3. Step 3: Cross multiply
    862,818.34x = 1,190,693.30 × 500,456.74
  4. Step 4: Simplify right side
    862,818.34x = 595,890,487,257.84
  5. Step 5: Solve for x
    x = 595,890,487,257.84/862,818.34
  6. Step 6: Final answer
    x = 690,632.62

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1.5x scale

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.