Home / 693,181.80-1,039,772.70-194,545.80

Finding the Fourth Proportional to 693,181.80, 1,039,772.70 and 194,545.80

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Solution

The fourth proportional to 693,181.80, 1,039,772.70 and 194,545.80 is: 291,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,181.80 : 1,039,772.70 = 194,545.80 : x
  2. Step 2: Convert to fraction form
    693,181.80/1,039,772.70 = 194,545.80/x
  3. Step 3: Cross multiply
    693,181.80x = 1,039,772.70 × 194,545.80
  4. Step 4: Simplify right side
    693,181.80x = 202,283,411,739.66
  5. Step 5: Solve for x
    x = 202,283,411,739.66/693,181.80
  6. Step 6: Final answer
    x = 291,818.70

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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.