Home / 1,302,907.50-1,797,968.88-722,105.88

Finding the Fourth Proportional to 1,302,907.50, 1,797,968.88 and 722,105.88

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Solution

The fourth proportional to 1,302,907.50, 1,797,968.88 and 722,105.88 is: 996,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,907.50 : 1,797,968.88 = 722,105.88 : x
  2. Step 2: Convert to fraction form
    1,302,907.50/1,797,968.88 = 722,105.88/x
  3. Step 3: Cross multiply
    1,302,907.50x = 1,797,968.88 × 722,105.88
  4. Step 4: Simplify right side
    1,302,907.50x = 1,298,323,900,305.01
  5. Step 5: Solve for x
    x = 1,298,323,900,305.01/1,302,907.50
  6. Step 6: Final answer
    x = 996,482.02

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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.