Home / 1,719,688.78-2,375,598.70-1,377,795.07

Finding the Fourth Proportional to 1,719,688.78, 2,375,598.70 and 1,377,795.07

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Solution

The fourth proportional to 1,719,688.78, 2,375,598.70 and 1,377,795.07 is: 1,903,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,688.78 : 2,375,598.70 = 1,377,795.07 : x
  2. Step 2: Convert to fraction form
    1,719,688.78/2,375,598.70 = 1,377,795.07/x
  3. Step 3: Cross multiply
    1,719,688.78x = 2,375,598.70 × 1,377,795.07
  4. Step 4: Simplify right side
    1,719,688.78x = 3,273,088,181,850.15
  5. Step 5: Solve for x
    x = 3,273,088,181,850.15/1,719,688.78
  6. Step 6: Final answer
    x = 1,903,302.63

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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.