Home / 819,174.41-1,130,499.48-456,601.25

Finding the Fourth Proportional to 819,174.41, 1,130,499.48 and 456,601.25

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Solution

The fourth proportional to 819,174.41, 1,130,499.48 and 456,601.25 is: 630,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,174.41 : 1,130,499.48 = 456,601.25 : x
  2. Step 2: Convert to fraction form
    819,174.41/1,130,499.48 = 456,601.25/x
  3. Step 3: Cross multiply
    819,174.41x = 1,130,499.48 × 456,601.25
  4. Step 4: Simplify right side
    819,174.41x = 516,187,480,230.85
  5. Step 5: Solve for x
    x = 516,187,480,230.85/819,174.41
  6. Step 6: Final answer
    x = 630,131.35

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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.