Home / 628,753.44-943,139.88-350,042.16

Finding the Fourth Proportional to 628,753.44, 943,139.88 and 350,042.16

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Solution

The fourth proportional to 628,753.44, 943,139.88 and 350,042.16 is: 525,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,753.44 : 943,139.88 = 350,042.16 : x
  2. Step 2: Convert to fraction form
    628,753.44/943,139.88 = 350,042.16/x
  3. Step 3: Cross multiply
    628,753.44x = 943,139.88 × 350,042.16
  4. Step 4: Simplify right side
    628,753.44x = 330,138,720,777.34
  5. Step 5: Solve for x
    x = 330,138,720,777.34/628,753.44
  6. Step 6: Final answer
    x = 525,068.65

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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.