Home / 771,333.36-1,156,557.08-411,060.64

Finding the Fourth Proportional to 771,333.36, 1,156,557.08 and 411,060.64

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Solution

The fourth proportional to 771,333.36, 1,156,557.08 and 411,060.64 is: 616,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,333.36 : 1,156,557.08 = 411,060.64 : x
  2. Step 2: Convert to fraction form
    771,333.36/1,156,557.08 = 411,060.64/x
  3. Step 3: Cross multiply
    771,333.36x = 1,156,557.08 × 411,060.64
  4. Step 4: Simplify right side
    771,333.36x = 475,415,093,501.33
  5. Step 5: Solve for x
    x = 475,415,093,501.33/771,333.36
  6. Step 6: Final answer
    x = 616,354.90

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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.