Home / 774,655.09-1,069,029.94-430,523.30

Finding the Fourth Proportional to 774,655.09, 1,069,029.94 and 430,523.30

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Solution

The fourth proportional to 774,655.09, 1,069,029.94 and 430,523.30 is: 594,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,655.09 : 1,069,029.94 = 430,523.30 : x
  2. Step 2: Convert to fraction form
    774,655.09/1,069,029.94 = 430,523.30/x
  3. Step 3: Cross multiply
    774,655.09x = 1,069,029.94 × 430,523.30
  4. Step 4: Simplify right side
    774,655.09x = 460,242,297,567.60
  5. Step 5: Solve for x
    x = 460,242,297,567.60/774,655.09
  6. Step 6: Final answer
    x = 594,125.44

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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.