Home / 410,128.18-565,981.85-238,086

Finding the Fourth Proportional to 410,128.18, 565,981.85 and 238,086

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Solution

The fourth proportional to 410,128.18, 565,981.85 and 238,086 is: 328,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,128.18 : 565,981.85 = 238,086 : x
  2. Step 2: Convert to fraction form
    410,128.18/565,981.85 = 238,086/x
  3. Step 3: Cross multiply
    410,128.18x = 565,981.85 × 238,086
  4. Step 4: Simplify right side
    410,128.18x = 134,752,355,334.32
  5. Step 5: Solve for x
    x = 134,752,355,334.32/410,128.18
  6. Step 6: Final answer
    x = 328,561.56

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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.