Home / 619,317.18-854,342.64-404,582.94

Finding the Fourth Proportional to 619,317.18, 854,342.64 and 404,582.94

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Solution

The fourth proportional to 619,317.18, 854,342.64 and 404,582.94 is: 558,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,317.18 : 854,342.64 = 404,582.94 : x
  2. Step 2: Convert to fraction form
    619,317.18/854,342.64 = 404,582.94/x
  3. Step 3: Cross multiply
    619,317.18x = 854,342.64 × 404,582.94
  4. Step 4: Simplify right side
    619,317.18x = 345,652,457,058.56
  5. Step 5: Solve for x
    x = 345,652,457,058.56/619,317.18
  6. Step 6: Final answer
    x = 558,118.63

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1.5x scale

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.