Home / 644,129.86-961,857.25-526,035.46

Finding the Fourth Proportional to 644,129.86, 961,857.25 and 526,035.46

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Solution

The fourth proportional to 644,129.86, 961,857.25 and 526,035.46 is: 785,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,129.86 : 961,857.25 = 526,035.46 : x
  2. Step 2: Convert to fraction form
    644,129.86/961,857.25 = 526,035.46/x
  3. Step 3: Cross multiply
    644,129.86x = 961,857.25 × 526,035.46
  4. Step 4: Simplify right side
    644,129.86x = 505,971,020,958.09
  5. Step 5: Solve for x
    x = 505,971,020,958.09/644,129.86
  6. Step 6: Final answer
    x = 785,510.89

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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.