Home / 693,030.80-1,039,650.84-293,673.20

Finding the Fourth Proportional to 693,030.80, 1,039,650.84 and 293,673.20

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Solution

The fourth proportional to 693,030.80, 1,039,650.84 and 293,673.20 is: 440,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,030.80 : 1,039,650.84 = 293,673.20 : x
  2. Step 2: Convert to fraction form
    693,030.80/1,039,650.84 = 293,673.20/x
  3. Step 3: Cross multiply
    693,030.80x = 1,039,650.84 × 293,673.20
  4. Step 4: Simplify right side
    693,030.80x = 305,317,589,065.49
  5. Step 5: Solve for x
    x = 305,317,589,065.49/693,030.80
  6. Step 6: Final answer
    x = 440,554.14

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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.