Home / 913,603.56-1,260,483.08-531,556.53

Finding the Fourth Proportional to 913,603.56, 1,260,483.08 and 531,556.53

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Solution

The fourth proportional to 913,603.56, 1,260,483.08 and 531,556.53 is: 733,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,603.56 : 1,260,483.08 = 531,556.53 : x
  2. Step 2: Convert to fraction form
    913,603.56/1,260,483.08 = 531,556.53/x
  3. Step 3: Cross multiply
    913,603.56x = 1,260,483.08 × 531,556.53
  4. Step 4: Simplify right side
    913,603.56x = 670,018,009,470.73
  5. Step 5: Solve for x
    x = 670,018,009,470.73/913,603.56
  6. Step 6: Final answer
    x = 733,379.38

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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.