Home / 628,111.80-942,167.70-530,680.95

Finding the Fourth Proportional to 628,111.80, 942,167.70 and 530,680.95

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Solution

The fourth proportional to 628,111.80, 942,167.70 and 530,680.95 is: 796,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,111.80 : 942,167.70 = 530,680.95 : x
  2. Step 2: Convert to fraction form
    628,111.80/942,167.70 = 530,680.95/x
  3. Step 3: Cross multiply
    628,111.80x = 942,167.70 × 530,680.95
  4. Step 4: Simplify right side
    628,111.80x = 499,990,450,095.32
  5. Step 5: Solve for x
    x = 499,990,450,095.32/628,111.80
  6. Step 6: Final answer
    x = 796,021.43

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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.