Home / 806,729.85-1,210,150.23-266,985.15

Finding the Fourth Proportional to 806,729.85, 1,210,150.23 and 266,985.15

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Solution

The fourth proportional to 806,729.85, 1,210,150.23 and 266,985.15 is: 400,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,729.85 : 1,210,150.23 = 266,985.15 : x
  2. Step 2: Convert to fraction form
    806,729.85/1,210,150.23 = 266,985.15/x
  3. Step 3: Cross multiply
    806,729.85x = 1,210,150.23 × 266,985.15
  4. Step 4: Simplify right side
    806,729.85x = 323,092,140,679.09
  5. Step 5: Solve for x
    x = 323,092,140,679.09/806,729.85
  6. Step 6: Final answer
    x = 400,496.08

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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.