Home / 585,981.63-879,060.18-212,092.11

Finding the Fourth Proportional to 585,981.63, 879,060.18 and 212,092.11

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Solution

The fourth proportional to 585,981.63, 879,060.18 and 212,092.11 is: 318,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,981.63 : 879,060.18 = 212,092.11 : x
  2. Step 2: Convert to fraction form
    585,981.63/879,060.18 = 212,092.11/x
  3. Step 3: Cross multiply
    585,981.63x = 879,060.18 × 212,092.11
  4. Step 4: Simplify right side
    585,981.63x = 186,441,728,393.18
  5. Step 5: Solve for x
    x = 186,441,728,393.18/585,981.63
  6. Step 6: Final answer
    x = 318,169.92

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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.