Home / 421,923.15-582,252.98-230,934.87

Finding the Fourth Proportional to 421,923.15, 582,252.98 and 230,934.87

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Solution

The fourth proportional to 421,923.15, 582,252.98 and 230,934.87 is: 318,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,923.15 : 582,252.98 = 230,934.87 : x
  2. Step 2: Convert to fraction form
    421,923.15/582,252.98 = 230,934.87/x
  3. Step 3: Cross multiply
    421,923.15x = 582,252.98 × 230,934.87
  4. Step 4: Simplify right side
    421,923.15x = 134,462,515,088.74
  5. Step 5: Solve for x
    x = 134,462,515,088.74/421,923.15
  6. Step 6: Final answer
    x = 318,689.59

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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.