Home / 913,603.19-1,260,482.56-531,556.16

Finding the Fourth Proportional to 913,603.19, 1,260,482.56 and 531,556.16

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Solution

The fourth proportional to 913,603.19, 1,260,482.56 and 531,556.16 is: 733,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,603.19 : 1,260,482.56 = 531,556.16 : x
  2. Step 2: Convert to fraction form
    913,603.19/1,260,482.56 = 531,556.16/x
  3. Step 3: Cross multiply
    913,603.19x = 1,260,482.56 × 531,556.16
  4. Step 4: Simplify right side
    913,603.19x = 670,017,261,709.27
  5. Step 5: Solve for x
    x = 670,017,261,709.27/913,603.19
  6. Step 6: Final answer
    x = 733,378.86

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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.