Home / 623,956.51-860,985.92-352,008.52

Finding the Fourth Proportional to 623,956.51, 860,985.92 and 352,008.52

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Solution

The fourth proportional to 623,956.51, 860,985.92 and 352,008.52 is: 485,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,956.51 : 860,985.92 = 352,008.52 : x
  2. Step 2: Convert to fraction form
    623,956.51/860,985.92 = 352,008.52/x
  3. Step 3: Cross multiply
    623,956.51x = 860,985.92 × 352,008.52
  4. Step 4: Simplify right side
    623,956.51x = 303,074,379,440.04
  5. Step 5: Solve for x
    x = 303,074,379,440.04/623,956.51
  6. Step 6: Final answer
    x = 485,729.98

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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.