Home / 889,205.94-1,227,221.01-507,145.14

Finding the Fourth Proportional to 889,205.94, 1,227,221.01 and 507,145.14

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Solution

The fourth proportional to 889,205.94, 1,227,221.01 and 507,145.14 is: 699,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,205.94 : 1,227,221.01 = 507,145.14 : x
  2. Step 2: Convert to fraction form
    889,205.94/1,227,221.01 = 507,145.14/x
  3. Step 3: Cross multiply
    889,205.94x = 1,227,221.01 × 507,145.14
  4. Step 4: Simplify right side
    889,205.94x = 622,379,170,927.39
  5. Step 5: Solve for x
    x = 622,379,170,927.39/889,205.94
  6. Step 6: Final answer
    x = 699,926.92

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Double scale
Find fourth proportional to 889,206.94, 1,227,222.39 and 507,146.14
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.