Home / 936,279.60-1,404,419.40-896,913.60

Finding the Fourth Proportional to 936,279.60, 1,404,419.40 and 896,913.60

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Solution

The fourth proportional to 936,279.60, 1,404,419.40 and 896,913.60 is: 1,345,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,279.60 : 1,404,419.40 = 896,913.60 : x
  2. Step 2: Convert to fraction form
    936,279.60/1,404,419.40 = 896,913.60/x
  3. Step 3: Cross multiply
    936,279.60x = 1,404,419.40 × 896,913.60
  4. Step 4: Simplify right side
    936,279.60x = 1,259,642,859,963.84
  5. Step 5: Solve for x
    x = 1,259,642,859,963.84/936,279.60
  6. Step 6: Final answer
    x = 1,345,370.40

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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.