Home / 1,744,721.42-2,407,359.64-1,019,428.86

Finding the Fourth Proportional to 1,744,721.42, 2,407,359.64 and 1,019,428.86

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Solution

The fourth proportional to 1,744,721.42, 2,407,359.64 and 1,019,428.86 is: 1,406,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744,721.42 : 2,407,359.64 = 1,019,428.86 : x
  2. Step 2: Convert to fraction form
    1,744,721.42/2,407,359.64 = 1,019,428.86/x
  3. Step 3: Cross multiply
    1,744,721.42x = 2,407,359.64 × 1,019,428.86
  4. Step 4: Simplify right side
    1,744,721.42x = 2,454,131,893,415.21
  5. Step 5: Solve for x
    x = 2,454,131,893,415.21/1,744,721.42
  6. Step 6: Final answer
    x = 1,406,603.87

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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.