Home / 1,316,185.76-1,815,412.56-908,451.20

Finding the Fourth Proportional to 1,316,185.76, 1,815,412.56 and 908,451.20

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Solution

The fourth proportional to 1,316,185.76, 1,815,412.56 and 908,451.20 is: 1,253,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,185.76 : 1,815,412.56 = 908,451.20 : x
  2. Step 2: Convert to fraction form
    1,316,185.76/1,815,412.56 = 908,451.20/x
  3. Step 3: Cross multiply
    1,316,185.76x = 1,815,412.56 × 908,451.20
  4. Step 4: Simplify right side
    1,316,185.76x = 1,649,213,718,627.07
  5. Step 5: Solve for x
    x = 1,649,213,718,627.07/1,316,185.76
  6. Step 6: Final answer
    x = 1,253,025.04

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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.