Home / 686,587.34-1,029,628.20-237,192.86

Finding the Fourth Proportional to 686,587.34, 1,029,628.20 and 237,192.86

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Solution

The fourth proportional to 686,587.34, 1,029,628.20 and 237,192.86 is: 355,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,587.34 : 1,029,628.20 = 237,192.86 : x
  2. Step 2: Convert to fraction form
    686,587.34/1,029,628.20 = 237,192.86/x
  3. Step 3: Cross multiply
    686,587.34x = 1,029,628.20 × 237,192.86
  4. Step 4: Simplify right side
    686,587.34x = 244,220,457,494.65
  5. Step 5: Solve for x
    x = 244,220,457,494.65/686,587.34
  6. Step 6: Final answer
    x = 355,701.95

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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.