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Finding the Fourth Proportional to 1,547,019, 2,134,852.99 and 858,650.62

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Solution

The fourth proportional to 1,547,019, 2,134,852.99 and 858,650.62 is: 1,184,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,019 : 2,134,852.99 = 858,650.62 : x
  2. Step 2: Convert to fraction form
    1,547,019/2,134,852.99 = 858,650.62/x
  3. Step 3: Cross multiply
    1,547,019x = 2,134,852.99 × 858,650.62
  4. Step 4: Simplify right side
    1,547,019x = 1,833,092,843,472.35
  5. Step 5: Solve for x
    x = 1,833,092,843,472.35/1,547,019
  6. Step 6: Final answer
    x = 1,184,919.41

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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.