Home / 715,847.72-1,071,435.08-526,257.88

Finding the Fourth Proportional to 715,847.72, 1,071,435.08 and 526,257.88

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Solution

The fourth proportional to 715,847.72, 1,071,435.08 and 526,257.88 is: 787,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,847.72 : 1,071,435.08 = 526,257.88 : x
  2. Step 2: Convert to fraction form
    715,847.72/1,071,435.08 = 526,257.88/x
  3. Step 3: Cross multiply
    715,847.72x = 1,071,435.08 × 526,257.88
  4. Step 4: Simplify right side
    715,847.72x = 563,851,153,758.43
  5. Step 5: Solve for x
    x = 563,851,153,758.43/715,847.72
  6. Step 6: Final answer
    x = 787,669.13

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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.