Home / 644,103.36-961,817.76-526,008.96

Finding the Fourth Proportional to 644,103.36, 961,817.76 and 526,008.96

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Solution

The fourth proportional to 644,103.36, 961,817.76 and 526,008.96 is: 785,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,103.36 : 961,817.76 = 526,008.96 : x
  2. Step 2: Convert to fraction form
    644,103.36/961,817.76 = 526,008.96/x
  3. Step 3: Cross multiply
    644,103.36x = 961,817.76 × 526,008.96
  4. Step 4: Simplify right side
    644,103.36x = 505,924,759,647.13
  5. Step 5: Solve for x
    x = 505,924,759,647.13/644,103.36
  6. Step 6: Final answer
    x = 785,471.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.