Home / 779,762.56-1,169,408.40-405,581.44

Finding the Fourth Proportional to 779,762.56, 1,169,408.40 and 405,581.44

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Solution

The fourth proportional to 779,762.56, 1,169,408.40 and 405,581.44 is: 608,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,762.56 : 1,169,408.40 = 405,581.44 : x
  2. Step 2: Convert to fraction form
    779,762.56/1,169,408.40 = 405,581.44/x
  3. Step 3: Cross multiply
    779,762.56x = 1,169,408.40 × 405,581.44
  4. Step 4: Simplify right side
    779,762.56x = 474,290,342,820.10
  5. Step 5: Solve for x
    x = 474,290,342,820.10/779,762.56
  6. Step 6: Final answer
    x = 608,249.70

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1.5x scale

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.