Home / 715,862.80-1,071,457.68-526,272.96

Finding the Fourth Proportional to 715,862.80, 1,071,457.68 and 526,272.96

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Solution

The fourth proportional to 715,862.80, 1,071,457.68 and 526,272.96 is: 787,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,862.80 : 1,071,457.68 = 526,272.96 : x
  2. Step 2: Convert to fraction form
    715,862.80/1,071,457.68 = 526,272.96/x
  3. Step 3: Cross multiply
    715,862.80x = 1,071,457.68 × 526,272.96
  4. Step 4: Simplify right side
    715,862.80x = 563,879,204,768.33
  5. Step 5: Solve for x
    x = 563,879,204,768.33/715,862.80
  6. Step 6: Final answer
    x = 787,691.73

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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.