Home / 913,179.33-1,260,386.10-531,256.23

Finding the Fourth Proportional to 913,179.33, 1,260,386.10 and 531,256.23

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Solution

The fourth proportional to 913,179.33, 1,260,386.10 and 531,256.23 is: 733,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,179.33 : 1,260,386.10 = 531,256.23 : x
  2. Step 2: Convert to fraction form
    913,179.33/1,260,386.10 = 531,256.23/x
  3. Step 3: Cross multiply
    913,179.33x = 1,260,386.10 × 531,256.23
  4. Step 4: Simplify right side
    913,179.33x = 669,587,967,830.40
  5. Step 5: Solve for x
    x = 669,587,967,830.40/913,179.33
  6. Step 6: Final answer
    x = 733,249.15

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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.