Home / 936,278.60-1,404,417.90-896,912.60

Finding the Fourth Proportional to 936,278.60, 1,404,417.90 and 896,912.60

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Solution

The fourth proportional to 936,278.60, 1,404,417.90 and 896,912.60 is: 1,345,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,278.60 : 1,404,417.90 = 896,912.60 : x
  2. Step 2: Convert to fraction form
    936,278.60/1,404,417.90 = 896,912.60/x
  3. Step 3: Cross multiply
    936,278.60x = 1,404,417.90 × 896,912.60
  4. Step 4: Simplify right side
    936,278.60x = 1,259,640,110,175.54
  5. Step 5: Solve for x
    x = 1,259,640,110,175.54/936,278.60
  6. Step 6: Final answer
    x = 1,345,368.90

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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.