Home / 693,752.30-1,040,628.45-195,116.30

Finding the Fourth Proportional to 693,752.30, 1,040,628.45 and 195,116.30

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Solution

The fourth proportional to 693,752.30, 1,040,628.45 and 195,116.30 is: 292,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,752.30 : 1,040,628.45 = 195,116.30 : x
  2. Step 2: Convert to fraction form
    693,752.30/1,040,628.45 = 195,116.30/x
  3. Step 3: Cross multiply
    693,752.30x = 1,040,628.45 × 195,116.30
  4. Step 4: Simplify right side
    693,752.30x = 203,043,572,838.74
  5. Step 5: Solve for x
    x = 203,043,572,838.74/693,752.30
  6. Step 6: Final answer
    x = 292,674.45

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Double scale
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Similar ratio
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1.5x scale

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.