Home / 715,823.20-1,071,398.34-526,233.38

Finding the Fourth Proportional to 715,823.20, 1,071,398.34 and 526,233.38

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Solution

The fourth proportional to 715,823.20, 1,071,398.34 and 526,233.38 is: 787,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,823.20 : 1,071,398.34 = 526,233.38 : x
  2. Step 2: Convert to fraction form
    715,823.20/1,071,398.34 = 526,233.38/x
  3. Step 3: Cross multiply
    715,823.20x = 1,071,398.34 × 526,233.38
  4. Step 4: Simplify right side
    715,823.20x = 563,805,569,784.59
  5. Step 5: Solve for x
    x = 563,805,569,784.59/715,823.20
  6. Step 6: Final answer
    x = 787,632.43

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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.