Home / 346,590.88-478,280.38-193,628.44

Finding the Fourth Proportional to 346,590.88, 478,280.38 and 193,628.44

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Solution

The fourth proportional to 346,590.88, 478,280.38 and 193,628.44 is: 267,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,590.88 : 478,280.38 = 193,628.44 : x
  2. Step 2: Convert to fraction form
    346,590.88/478,280.38 = 193,628.44/x
  3. Step 3: Cross multiply
    346,590.88x = 478,280.38 × 193,628.44
  4. Step 4: Simplify right side
    346,590.88x = 92,608,683,862.01
  5. Step 5: Solve for x
    x = 92,608,683,862.01/346,590.88
  6. Step 6: Final answer
    x = 267,198.85

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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.