Home / 782,909.32-1,173,524.38-512,935.45

Finding the Fourth Proportional to 782,909.32, 1,173,524.38 and 512,935.45

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Solution

The fourth proportional to 782,909.32, 1,173,524.38 and 512,935.45 is: 768,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,909.32 : 1,173,524.38 = 512,935.45 : x
  2. Step 2: Convert to fraction form
    782,909.32/1,173,524.38 = 512,935.45/x
  3. Step 3: Cross multiply
    782,909.32x = 1,173,524.38 × 512,935.45
  4. Step 4: Simplify right side
    782,909.32x = 601,942,254,818.02
  5. Step 5: Solve for x
    x = 601,942,254,818.02/782,909.32
  6. Step 6: Final answer
    x = 768,853.09

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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.