Home / 723,211.34-1,084,997.70-510,394.77

Finding the Fourth Proportional to 723,211.34, 1,084,997.70 and 510,394.77

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Solution

The fourth proportional to 723,211.34, 1,084,997.70 and 510,394.77 is: 765,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,211.34 : 1,084,997.70 = 510,394.77 : x
  2. Step 2: Convert to fraction form
    723,211.34/1,084,997.70 = 510,394.77/x
  3. Step 3: Cross multiply
    723,211.34x = 1,084,997.70 × 510,394.77
  4. Step 4: Simplify right side
    723,211.34x = 553,777,151,542.03
  5. Step 5: Solve for x
    x = 553,777,151,542.03/723,211.34
  6. Step 6: Final answer
    x = 765,719.68

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1.5x scale

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.