Home / 889,140.99-1,227,002.16-507,174.15

Finding the Fourth Proportional to 889,140.99, 1,227,002.16 and 507,174.15

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Solution

The fourth proportional to 889,140.99, 1,227,002.16 and 507,174.15 is: 699,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,140.99 : 1,227,002.16 = 507,174.15 : x
  2. Step 2: Convert to fraction form
    889,140.99/1,227,002.16 = 507,174.15/x
  3. Step 3: Cross multiply
    889,140.99x = 1,227,002.16 × 507,174.15
  4. Step 4: Simplify right side
    889,140.99x = 622,303,777,546.16
  5. Step 5: Solve for x
    x = 622,303,777,546.16/889,140.99
  6. Step 6: Final answer
    x = 699,893.25

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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.