Home / 715,981.35-988,089.73-444,136.83

Finding the Fourth Proportional to 715,981.35, 988,089.73 and 444,136.83

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Solution

The fourth proportional to 715,981.35, 988,089.73 and 444,136.83 is: 612,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,981.35 : 988,089.73 = 444,136.83 : x
  2. Step 2: Convert to fraction form
    715,981.35/988,089.73 = 444,136.83/x
  3. Step 3: Cross multiply
    715,981.35x = 988,089.73 × 444,136.83
  4. Step 4: Simplify right side
    715,981.35x = 438,847,047,081.92
  5. Step 5: Solve for x
    x = 438,847,047,081.92/715,981.35
  6. Step 6: Final answer
    x = 612,930.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.