Home / 810,171.90-1,211,758.65-684,200.70

Finding the Fourth Proportional to 810,171.90, 1,211,758.65 and 684,200.70

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Solution

The fourth proportional to 810,171.90, 1,211,758.65 and 684,200.70 is: 1,023,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,171.90 : 1,211,758.65 = 684,200.70 : x
  2. Step 2: Convert to fraction form
    810,171.90/1,211,758.65 = 684,200.70/x
  3. Step 3: Cross multiply
    810,171.90x = 1,211,758.65 × 684,200.70
  4. Step 4: Simplify right side
    810,171.90x = 829,086,116,561.06
  5. Step 5: Solve for x
    x = 829,086,116,561.06/810,171.90
  6. Step 6: Final answer
    x = 1,023,345.93

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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.