Home / 927,536.16-1,279,709.37-519,582.90

Finding the Fourth Proportional to 927,536.16, 1,279,709.37 and 519,582.90

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Solution

The fourth proportional to 927,536.16, 1,279,709.37 and 519,582.90 is: 716,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,536.16 : 1,279,709.37 = 519,582.90 : x
  2. Step 2: Convert to fraction form
    927,536.16/1,279,709.37 = 519,582.90/x
  3. Step 3: Cross multiply
    927,536.16x = 1,279,709.37 × 519,582.90
  4. Step 4: Simplify right side
    927,536.16x = 664,915,105,621.77
  5. Step 5: Solve for x
    x = 664,915,105,621.77/927,536.16
  6. Step 6: Final answer
    x = 716,861.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.