Home / 763,770.29-1,143,910.28-364,690.58

Finding the Fourth Proportional to 763,770.29, 1,143,910.28 and 364,690.58

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Solution

The fourth proportional to 763,770.29, 1,143,910.28 and 364,690.58 is: 546,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,770.29 : 1,143,910.28 = 364,690.58 : x
  2. Step 2: Convert to fraction form
    763,770.29/1,143,910.28 = 364,690.58/x
  3. Step 3: Cross multiply
    763,770.29x = 1,143,910.28 × 364,690.58
  4. Step 4: Simplify right side
    763,770.29x = 417,173,298,673.34
  5. Step 5: Solve for x
    x = 417,173,298,673.34/763,770.29
  6. Step 6: Final answer
    x = 546,202.58

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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.