Home / 619,118.10-854,427.15-343,566.36

Finding the Fourth Proportional to 619,118.10, 854,427.15 and 343,566.36

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Solution

The fourth proportional to 619,118.10, 854,427.15 and 343,566.36 is: 474,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,118.10 : 854,427.15 = 343,566.36 : x
  2. Step 2: Convert to fraction form
    619,118.10/854,427.15 = 343,566.36/x
  3. Step 3: Cross multiply
    619,118.10x = 854,427.15 × 343,566.36
  4. Step 4: Simplify right side
    619,118.10x = 293,552,425,810.67
  5. Step 5: Solve for x
    x = 293,552,425,810.67/619,118.10
  6. Step 6: Final answer
    x = 474,146.09

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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.