Home / 403,734.10-605,601.15-366,336.40

Finding the Fourth Proportional to 403,734.10, 605,601.15 and 366,336.40

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Solution

The fourth proportional to 403,734.10, 605,601.15 and 366,336.40 is: 549,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,734.10 : 605,601.15 = 366,336.40 : x
  2. Step 2: Convert to fraction form
    403,734.10/605,601.15 = 366,336.40/x
  3. Step 3: Cross multiply
    403,734.10x = 605,601.15 × 366,336.40
  4. Step 4: Simplify right side
    403,734.10x = 221,853,745,126.86
  5. Step 5: Solve for x
    x = 221,853,745,126.86/403,734.10
  6. Step 6: Final answer
    x = 549,504.60

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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.