Home / 1,531,554.76-2,297,605.74-520,623.60

Finding the Fourth Proportional to 1,531,554.76, 2,297,605.74 and 520,623.60

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Solution

The fourth proportional to 1,531,554.76, 2,297,605.74 and 520,623.60 is: 781,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,554.76 : 2,297,605.74 = 520,623.60 : x
  2. Step 2: Convert to fraction form
    1,531,554.76/2,297,605.74 = 520,623.60/x
  3. Step 3: Cross multiply
    1,531,554.76x = 2,297,605.74 × 520,623.60
  4. Step 4: Simplify right side
    1,531,554.76x = 1,196,187,771,739.46
  5. Step 5: Solve for x
    x = 1,196,187,771,739.46/1,531,554.76
  6. Step 6: Final answer
    x = 781,028.41

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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.