Home / 716,035.40-1,073,901.82-210,458.86

Finding the Fourth Proportional to 716,035.40, 1,073,901.82 and 210,458.86

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Solution

The fourth proportional to 716,035.40, 1,073,901.82 and 210,458.86 is: 315,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,035.40 : 1,073,901.82 = 210,458.86 : x
  2. Step 2: Convert to fraction form
    716,035.40/1,073,901.82 = 210,458.86/x
  3. Step 3: Cross multiply
    716,035.40x = 1,073,901.82 × 210,458.86
  4. Step 4: Simplify right side
    716,035.40x = 226,012,149,578.22
  5. Step 5: Solve for x
    x = 226,012,149,578.22/716,035.40
  6. Step 6: Final answer
    x = 315,643.82

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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.