Home / 530,716.73-732,389.13-288,999.23

Finding the Fourth Proportional to 530,716.73, 732,389.13 and 288,999.23

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Solution

The fourth proportional to 530,716.73, 732,389.13 and 288,999.23 is: 398,818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,716.73 : 732,389.13 = 288,999.23 : x
  2. Step 2: Convert to fraction form
    530,716.73/732,389.13 = 288,999.23/x
  3. Step 3: Cross multiply
    530,716.73x = 732,389.13 × 288,999.23
  4. Step 4: Simplify right side
    530,716.73x = 211,659,894,630.37
  5. Step 5: Solve for x
    x = 211,659,894,630.37/530,716.73
  6. Step 6: Final answer
    x = 398,818.96

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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.