Home / 715,864.80-1,071,460.68-526,274.96

Finding the Fourth Proportional to 715,864.80, 1,071,460.68 and 526,274.96

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Solution

The fourth proportional to 715,864.80, 1,071,460.68 and 526,274.96 is: 787,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,864.80 : 1,071,460.68 = 526,274.96 : x
  2. Step 2: Convert to fraction form
    715,864.80/1,071,460.68 = 526,274.96/x
  3. Step 3: Cross multiply
    715,864.80x = 1,071,460.68 × 526,274.96
  4. Step 4: Simplify right side
    715,864.80x = 563,882,926,508.57
  5. Step 5: Solve for x
    x = 563,882,926,508.57/715,864.80
  6. Step 6: Final answer
    x = 787,694.72

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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.