Home / 704,125.20-1,056,187.80-405,526.80

Finding the Fourth Proportional to 704,125.20, 1,056,187.80 and 405,526.80

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Solution

The fourth proportional to 704,125.20, 1,056,187.80 and 405,526.80 is: 608,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,125.20 : 1,056,187.80 = 405,526.80 : x
  2. Step 2: Convert to fraction form
    704,125.20/1,056,187.80 = 405,526.80/x
  3. Step 3: Cross multiply
    704,125.20x = 1,056,187.80 × 405,526.80
  4. Step 4: Simplify right side
    704,125.20x = 428,312,458,733.04
  5. Step 5: Solve for x
    x = 428,312,458,733.04/704,125.20
  6. Step 6: Final answer
    x = 608,290.20

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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.