Home / 644,823.18-965,751.75-374,281.29

Finding the Fourth Proportional to 644,823.18, 965,751.75 and 374,281.29

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Solution

The fourth proportional to 644,823.18, 965,751.75 and 374,281.29 is: 560,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,823.18 : 965,751.75 = 374,281.29 : x
  2. Step 2: Convert to fraction form
    644,823.18/965,751.75 = 374,281.29/x
  3. Step 3: Cross multiply
    644,823.18x = 965,751.75 × 374,281.29
  4. Step 4: Simplify right side
    644,823.18x = 361,462,810,809.76
  5. Step 5: Solve for x
    x = 361,462,810,809.76/644,823.18
  6. Step 6: Final answer
    x = 560,561.13

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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.