Home / 696,083.70-1,044,125.55-486,131.70

Finding the Fourth Proportional to 696,083.70, 1,044,125.55 and 486,131.70

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Solution

The fourth proportional to 696,083.70, 1,044,125.55 and 486,131.70 is: 729,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,083.70 : 1,044,125.55 = 486,131.70 : x
  2. Step 2: Convert to fraction form
    696,083.70/1,044,125.55 = 486,131.70/x
  3. Step 3: Cross multiply
    696,083.70x = 1,044,125.55 × 486,131.70
  4. Step 4: Simplify right side
    696,083.70x = 507,582,528,634.94
  5. Step 5: Solve for x
    x = 507,582,528,634.94/696,083.70
  6. Step 6: Final answer
    x = 729,197.55

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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.