Home / 1,178,613.64-1,767,360.34-538,729.84

Finding the Fourth Proportional to 1,178,613.64, 1,767,360.34 and 538,729.84

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Solution

The fourth proportional to 1,178,613.64, 1,767,360.34 and 538,729.84 is: 807,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,613.64 : 1,767,360.34 = 538,729.84 : x
  2. Step 2: Convert to fraction form
    1,178,613.64/1,767,360.34 = 538,729.84/x
  3. Step 3: Cross multiply
    1,178,613.64x = 1,767,360.34 × 538,729.84
  4. Step 4: Simplify right side
    1,178,613.64x = 952,129,753,190.55
  5. Step 5: Solve for x
    x = 952,129,753,190.55/1,178,613.64
  6. Step 6: Final answer
    x = 807,838.74

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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.