Home / 264,587.40-396,745.02-77,574.60

Finding the Fourth Proportional to 264,587.40, 396,745.02 and 77,574.60

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Solution

The fourth proportional to 264,587.40, 396,745.02 and 77,574.60 is: 116,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,587.40 : 396,745.02 = 77,574.60 : x
  2. Step 2: Convert to fraction form
    264,587.40/396,745.02 = 77,574.60/x
  3. Step 3: Cross multiply
    264,587.40x = 396,745.02 × 77,574.60
  4. Step 4: Simplify right side
    264,587.40x = 30,777,336,228.49
  5. Step 5: Solve for x
    x = 30,777,336,228.49/264,587.40
  6. Step 6: Final answer
    x = 116,322.00

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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.