Home / 677,226.18-934,250.15-405,239.32

Finding the Fourth Proportional to 677,226.18, 934,250.15 and 405,239.32

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Solution

The fourth proportional to 677,226.18, 934,250.15 and 405,239.32 is: 559,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,226.18 : 934,250.15 = 405,239.32 : x
  2. Step 2: Convert to fraction form
    677,226.18/934,250.15 = 405,239.32/x
  3. Step 3: Cross multiply
    677,226.18x = 934,250.15 × 405,239.32
  4. Step 4: Simplify right side
    677,226.18x = 378,594,897,676.81
  5. Step 5: Solve for x
    x = 378,594,897,676.81/677,226.18
  6. Step 6: Final answer
    x = 559,037.60

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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.